A Four Corners investigation into residential group homes has found some of the country's most damaged children are still being placed in danger.

If you know of similar issues happening within residential out of home care around Australia, the ABC wants to speak to you.

Were you in residential care yourself and experienced or witnessed abuse? Were you a member of staff who witnessed failings in the system?

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You can contact Journalist Elise Worthington more securely by downloading the free Signal app - https://whispersystems.org/ - and adding 0431 675 622 (Signal calls and messages only)