My Son in Law Burnt My Family to Death

In the early hours of September 10, 2011, Danai Muhammadi and an accomplice used a garden spray to start a blaze that killed his estranged wife Melissa Crook, his father in law Mark Crook and his own baby, 15-month-old Noah Crook.
Melissa, aged 20, walked out on Iraqi-born Muhammadi six months earlier after he hit her across the face during a violent row.
We reveal how Muhammadi struggled to accept the marriage break-up and, with expert analysis from former Detective Superintendent David Swindle and psychologist Emma Kenny, we get an insight into the simmering rage that drove him to wipe out three generations of the same family.
Amanda Crook, who escaped the blaze by climbing out of a bedroom window, opens her heart and tells us how she is facing a daily battle to cope with the loss of her husband, her daughter and her grandson.

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S05E03 - My Disabled Daughter: Tortured and Murdered by Her Friends