https://www.washingtonpost.com/video/c/embed/00b7d7ed-842e-4e43-80d6-7526b9903088

Former girlfriend reports he was delusions, wrestled with hallucinations and menacing voices in his head, had suffered from psychosis since he was young and feared developing schizophrenia

News reported "extended capacity" magazines, but no statement on exact number of rounds as of 2019-06-06

Court ordered mental health after beating girlfriend with a baseball bat

Former girlfriend noted a long history of mental illness and desire to kill people. Shooter "always hated people and wanted everybody to die ... He got kicked out of school for having a dream that he killed everybody in his class, and he's been threatening this for so long, and he's been having dreams about it and everything ... Every single person I've told has not taken it seriously, and it's very unfortunate that it had to come to this."

Ventura County Sheriff Bill Ayub reproted 30 magazines - https://www.nbcnews.com/news/us-news/gunman-california-bar-attack-used-smoke-grenades-high-capacity-magazines-n940841

Earlier this year, police mental health professionals interviewed and cleared him after sheriffs' deputies found him behaving "irate" and "erratically" at his home, said authorities.

Bowers had no known previous crimes, mental health diagnoses or dishonorable discharges from the military that would have legally barred him from owning the weapons.

They aren’t military style assault weapons, they don’t have high capacity magazines, they aren’t semi-automatic.

Nicholas Poehl, one of Pagourtzis' attorneys, said that his client did not appear to have a history of mental health or legal issues.

"Travis has some mental problems and I asked him if he would like to speak to (the Emergency Response Service) but he stated he didn't want to," the officer wrote in the report. "Travis had already spoken to them before and been in the hospital."

Pompano Beach (Parkland)

The 19-year-old school shooter who killed 17 in Florida on Valentine’s Day had 150 rounds of ammunition in 10-round magazines.

Cruz was in mental health treatment until 14 months ago, when he stopped going. He suffered from ADHD, depression and autism.

Smith wore a body armor carrier and had several magazines of ammo.

no sign for mental issue; was driven by jealousy

Authorities say they've collected hundreds of shell casings and 15 magazines that hold 30 rounds each at the First Baptist Church in Sutherland Springs, where Kelley opened fire Sunday.

was captured by police in 2012 after he escaped from a mental health institution. At the time, a hospital official told police that he was a danger to himself and others, and had issued death threats against "his military chain of command."

Multiple high-capacity ammunition magazines including 12 100-round magazines, 6 25-round magazines and 1 40-round magazine

Las Vegas shooter Stephen Paddock likely had a severe mental illness that was probably undiagnosed. Las Vegas gunman reportedly was prescribed anti-anxiety medication in June.

no sign for mental issue, but legally intoxicated when he killed 5 coworkers

capacity unstated; he emptied both magazines, firing about 15 rounds

Esteban Santiago, 26, spent time in hospital over mental health concerns after serving in Iraq.

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Cetin had been suffering from a mental-health illness. Online records show that Cetin was arrested in July 2015 on charges of assault in the fourth degree. KIRO reports that as a result of the charges, Cetin was ordered to undergo mental health counselling that he completed in March 2016. As of Aug. 25, 2016, Cetin was in compliance with weekly sessions for mental health counseling. He complied with the alcohol assessment, according to court records, and he had a deferred prosecution review for the case scheduled for 2018.

Multiple high-capacity ammunition magazines

On May 1, 2014, during his deployment, he was accused of sexual harassment by a female soldier, who sought a protective order against him and said that he needed mental health counseling. He declined mental health treatment and claimed he was not a threat to himself or others. The Army veteran who killed five police officers in downtown Dallas last month told military medical staff that he was having serious psychological problems shortly after he returned from Afghanistan in 2014.

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Multiple 30-round magazines, some taped together for faster reloading

Following the nightclub attack, Mateen's ex-wife told media outlets that during their marriage, Mateen was mentally unstable, and would beat her and keep her completely separated from her family. She also said that he was bipolar and had a history of using steroids.

Dalton gave no indication of delusions or bizarre ideation as he spoke. Dalton said he had never participated in outpatient mental health treatment or been hospitalized for psychiatric reasons. The report said he reported no current medical problems and no history of significant medical problems or head injuries.

Syed Rizwan Farook; Tashfeen Malik

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Court filings in 2006 and 2008 show that Farook's mother, Rafia filed restraining orders against Farook's father, the elder Syed, describing him as a mentally ill, unstable alcoholic on medication who “threatens to kill himself on a daily basis”. Court records suggest Farook grew up in a home ruled by violence and racked by mental illness.

The perpetrator in the Umpqua Community College shooting suffered from apparent mental difficulties and was discharged from the Army. The gunman’s mother sometimes confided the difficulties she had in raising her son, including that she had placed Mr. Harper-Mercer in a psychiatric hospital when he did not take his medication.

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Abdulazeez had drug and alcohol problems, and his family tried to place him in a rehabilitation program. The New York Times reported that limits on the family's health insurance coverage "thwarted their plan to have him go into rehab." The investigation after the shooting revealed that Abdulazeez "had serious psychological problems." According to a family representative, Abdulazeez was abusing sleeping pills, opioids, painkillers, and marijuana along with alcohol. He had also been thousands of dollars in debt and was planning to file for bankruptcy. In 2012 or 2013, Abdulazeez began therapy for his drug and alcohol abuse. He had also received treatment for depression and often stopped taking his medication. Following the shootings, Abdulazeez's parents claimed that their son had been suffering from depression. According to a source that was provided by CNN, Abdulazeez was suffering from bipolar disorder.

Dr. Hiers tried to arrange a meeting between Mr. Roof and a mental health professional near his home but Mr. Roof never responded.

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The gun used in the shooting has been traced to Fryberg's father, a law enforcement source with knowledge of the investigation told CNN. It is a "high capacity" one, but did not have an extended magazine, the source said.

It has been referenced that Fryberg has discussed killing himself before October, which could indicate that Fryberg was suffering from mental health issues well before this time.

no sign for mental issue

capacity unstated; a Remington 870 Express shotgun and a small amount of ammunition (approximately 2 boxes -- 24 shells)

Aaron Alexis was treated for insomnia but never sought help for mental illness. According to VA records, he never sought an appointment from a mental health specialist, and had previously either canceled or failed to show up for primary care appointments and claims evaluations examinations he had scheduled at VA medical centers. He had also received treatment for mental health conditions at two VA hospitals beginning in August, 2013 following an incident where he called Newport Rhode Island Police to report hearing voices.

no sign for mental issue

Myers had no history of being treated for mental illness, though Blaise said acquaintances describe him as having compulsive habits and being set in his ways. For instance, every year he would get a new wardrobe and donate his oldest set of clothes.

30-round magazines; Lanza was carrying multiple high-capacity clips, reportedly enough
ammunition to kill nearly every student at school.

Adam Peter Lanza had Asperger's Syndrome, a disorder on the autism spectrum that makes social interaction difficult. Adam struggled with a sensory disorder from a young age. As Adam got older, he "was not open to therapy" and "did not want to talk about problems and didn’t even admit he had Asperger’s". However, the doctors who saw him didn't think he had a propensity for violence. Lanza’s mental health was also scrutinized after the shooting, and while his social isolation had been noted, we did not find evidence that concerns had been brought to the attention of a public authority.

Two 15-round magazines; Engeldinger fired at least 46 bullets during the shooting. At his home,
police recovered packaging for 10,000 rounds of ammunition.

Andrew Engeldinger's parents pushed him for two years to seek treatment for what they suspected was mental illness, but even though he became increasingly paranoid and experienced delusions, there was nothing more they could do. Engeldinger was never formally diagnosed with a mental illness, but his family was concerned enough by their son's behavior, which included claims that he was being followed, to enroll in a free, 12-week "Family to Family" course offered by the Minnesota National Alliance for loved ones of people with mental illness before he cut off contact in late 2010. His family suspected he had paranoid schizophrenia and two years before the shooting they reached out on his behalf to the National Alliance on Mental Illness.

None of that would have been enough to satisfy authorities that Page should be detained for a mental health evaluation for his own safety or the safety of others, Dunn said. But the suicide scare of 1997 would have been enough to alert Army doctors that Page had mental illness and was unfit for duty, said John Liebert, a psychiatrist who does fitness exams for the military and has written an academic text on suicidal mass murderers.

Alleged Aurora, Colo, shooter James Holmes met with not one, but at least three mental health professionals at the University of Colorado prior to the massacre. His name was brought to the attention of the university's Behavior Evaluation and Threat Assessment team or BETA for short. A flow chart released by the university shows guidelines for action that could be followed if a person is deemed a direct threat. While a student at the University of Colorado, Holmes was treated by the school psychiatrist, who expressed concern about his behavior and referred him to the university Behavioral Evaluation and Threat Assessment (BETA) team. They took no further action and he was never adjudicated mentally ill.

Members of the suspect's family tell a newspaper they're not surprised, as he suffered a mentally illness. Stawicki had a history of mental illness.

a gunman opened fire with a .45-caliber semi-automatic handgun with four fully loaded 10-round magazines on the university's campus

“He wasn’t showing any signs of violence or anything toward anyone,” the official said. “He didn’t show any mental illness. He seemed like a regular, ordinary guy. He was quiet.”

One family friend called Paek an aggressive and violent personality. Song described her brother’s mental health as deteriorating in the 2006 paperwork, noting that he was suicidal. Korean media members translated statements by people who knew Paek and said he’d lost his right eye when he was the victim of a shooting in Virginia.

extra magazines and ammunition; 75 rounds fired

The Associated Press reports that the incident left the ex-Marine with post-traumatic-stress disorder. His ex-wife, who was a stylist at the salon, had claimed that her husband was unstable and physically abusive during their marriage and prior to the accident, according to the AP. Her friend Sharyn White told the AP that Michelle Fournier Dekraai said that her ex-husband had stopped by the salon weeks prior and threatened to kill her and the others at the salon. Though White said her friend told her that everyone else at the salon laughed off the threat, she took it seriously. Dekraai had been diagnosed with Post Traumatic Stress Disorder, and during a custody suit his ex-wife had filed court papers claiming that he was mentally unstable and had threatened to kill himself or someone else at least once.

20- and 30-round magazines; Police recovered 450 rounds of AK-47 ammunition from Sencion’s van and “box upon box” of additional ammunition at his home.

South Lake Tahoe police said the department took Sencion into protective custody during a mental health commitment in April 2000 and that he fought with officers. He was not charged. Sencion was taken into protective custody during a mental health commitment in April 2000 but no court order was involved and it remains unclear if a record of the incident was reported to the NICS database.

The FBI said that Loughner had a second thirty-round magazine, and two standard mags (15 rounds apiece).

Interviews with Loughner's parents revealed they were deeply concerned about their son's increasingly angry and erratic behavior. His mother, Amy Loughner, said he no longer used alcohol and had tested negative for drugs. The papers also reveal Loughner did not seek mental health treatment. When he was expelled from college, his parents were urged to have him evaluated, but they never followed up. Loughner was rejected from enlisting in the Army in 2008 because he admitted he had used drugs. Loughner had a history of mental illness and drug use. He was rejected from Army enlistment in 2008 after failing a drug test and admitting to drug use on his U.S. Army medical history application form, which should have prohibited Loughner from buying a gun for at least one year.

It was unclear whether Smith had any mental-health disorders. It also was uncertain whether he had legally obtained a shotgun used in the killings or a rifle with a scope that also was found at the crime.

no sign for mental issue

During a court-ordered mental health evaluation, Clemmons told psychologists he had experienced hallucinations in May 2009 of "people drinking blood and people eating babies, and lawless on the streets, like people were cannibals". He claimed the visions had since passed. He also claimed to have no faith in the American justice system and thought he was being "maliciously persecuted because I'm black and they believe the police". The evaluation, completed by two psychologists from the Western State Hospital on October 19, concluded Clemmons was dangerous and presented an increased risk of future criminal acts. After a mental evaluation, a psychologist concluded Clemmons was competent to stand trial on the charges, which eliminated him as a candidate for involuntary commitment. An attorney for Clemmons notified the court he planned to pursue an insanity or diminished-capacity defense.

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30- and 20-round magazines; Hasan fired at least 220 rounds of ammunition and has 200 rounds in his
pocket when he was detained.

Psychiatrist Dr. Steven Dinwiddie said among solo mass murderers, mental illness usually attracts and twists religious beliefs -- not the other way around.

30-round magazine; Allegedly fired 98 rounds during the attack. At least one magazine with a
30 round capacity was recovered at the scene.

Mr. Wong displayed no outward sign of mental illness. But it now appears that he was harboring a growing paranoia, with a fixation on law enforcement rooted in a few brief encounters that seemed to convince Mr. Wong that the police were out to do him in. Just before setting off on his massacre, he sent a two-page delusional rant to a Syracuse television station saying the police were spying on him, sneaking into his home and trying to get into car accidents with him. Nga said that she did not recognize the letter’s handwriting as being her brother’s, and that he had not told the familyabout his paranoia about the police. The letter might be a sign that he had “lost his rational thinking,” she said. People who knew Wong said he exhibited no outward signs of mental instability, although a letter he wrote that was delivered to a newspaper after the shooting indicated he was paranoid and suffering from mental illness.

Stewart's defense team argued that Stewart suffered from mental illness including depression and borderline personality disorder, and that he had been taking regular doses of the prescription sleep aid Ambien far in excess of the recommended limit. Combined with prescriptions for an antidepressant and anti-anxiety drug, they argued, it made Stewart essentially a lethal sleepwalker.

He called his girlfriend two hours before the shooting to say he was going to kill his boss.

Possible for the Glock

He was known for histrionics and disruptions at city council meetings. His mounting debt was a stressor.

Two 30-round magazines taped together

He was attending therapy sessions, taking medication and being hospitalized for depression by the time he was 6 years old. Throughout most of his life, he and his family were plagued by his psychiatric problems. The day after he turned 14, he was sent to a mental health treatment center for threatening to kill his stepmother Candace Hawkins with an axe. Four months later, he became a ward of the State of Nebraska, which lasted nearly four years. He had undergone two psychiatric hospitalizations, and was diagnosed with attention deficit disorder, an unspecified mood disorder, oppositional defiant disorder, and parent-child relationship problems. His extensive treatments cost the state USD$265,000.

Peterson left and got a police-style AR-15 rifle from his truck, forced his way back into the apartment and fired about 30 rounds at about 2:45 a.m.

No psychological screening was performed in his hiring.

Cho had previously been diagnosed with a severe anxiety disorder. He continued receiving mental health therapy as well until his junior year, when Cho rejected further therapy.

Available information indicates that Talovic was socially isolated and may have suffered from mental health issues, that he was using marijuana and possibly other drugs in the months prior to the attack.

capacity unstated; with a 9 mm handgun, 12 gauge shotgun, .30-06 bolt-action rifle, about 600 rounds of ammunition, cans of black powder, a stun gun, two knives, a change of clothes, an apparent truss board and a box containing a hammer, hacksaw, pliers, wire, screws, bolts and tape

all those years of undealt-with depression resulted in a psychotic break; Mr. Roberts had no criminal record or history of psychiatric illness.

several bandoliers (over 300 rounds) worth of ammunition for the guns

Police were unable to find any record that he had been treated for mental illness or was on psychiatric medication.

A spokesman for the Santa Barbara County Sheriff's Office speculated that San Marco's paranoia and history of mental illness may have motivated her to commit the murders.

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He was under treatment for depression, and had been prescribed Prozac as an anti-depressant.

Police have said Ratzmann had no diagnosed mental health problems, but several congregants reported that he seemed depressed in recent weeks.

capacity unstated; Ohio nightclub shooter had 35 rounds when he was killed

While in the USMC, he was given medications for his mental problems. Writings found in Gale's possession indicate that he may have suffered from schizophrenia.

He had no prior criminal record nor mentalhealth problems.

no sign for mental issue

no sign for mental issue

Williams's cousin described him as being depressed.

A man accused of murdering four people at a day-labor office earlier this week has mental problems and was once committed for treatment.

no sign for mental issue

60-round, large-capacity feeding device

McDermott was undergoing psychiatric treatment and taking medication.

Possible for one of the handguns

Possible for one of the handguns

In 1993, he was ordered to undergo psychiatric evaluation and anger management courses after he kicked in and damaged an elevator door for which he was arrested. The psychiatrist who examined him at the time of this arrest found that Uyesugi suffered from a delusional disorder and paranoia, but found him not to be dangerous.

had a history of paranoia and mental instability

capacity unstated; After Barton's suicide, investigators found in his minivan a duffel bag stuffed with 200 rounds of ammunition and the two handguns used in the shootings -- a 9mm Glock that Barton had purchased in November 1993 and was legally registered to him, and a Colt .45-caliber handgun that was not, according to the Bureau of Alcohol, Tobacco and Firearms.

His mental health continued to deteriorate and he began to suffer from severe depression and paranoid delusions.

High-capacity magazines (capacity unstated)

Eric Harris and Dylan Klebold were radically different individuals, with vastly different motives and opposite mental conditions.

Mitchell Scott Johnson; Andrew Douglas Golden

no sign for mental issue

Beck had been in and out of psychiatric hospitals and had attempted suicide several times in the past.