'Why did you leave me? Why did you get messed up with all of those drugs? Why did you kill my brother and sister? Didn't you love us enough?'

Nikkia Roberson has been asking these questions for most of her life. But how else do you cope when your mentally ill mother has killed your little brother and sister by scalding them with boiling water?

This is a harrowing true story of how one little girl endured the most tragic of childhoods. But it's also the ultimate tale of forgiveness.

Follow Nikkia on her heartbreaking journey, as she attempts to find answers and rekindle a relationship with her mother behind the gates of a secure psychiatric hospital.

Deeply moving, Mummy is a Killer proves that love really is the strongest emotion of all.