Chris Watts, 35, murdered his pregnant wife and two daughters and a new documentary has come out detailing the horrific crime in Colorado

Chris Watts has been taken to 'some dark places' after hearing about a Netflix documentary on his sick crimes.

Watts, 35, murdered his pregnant wife Shanann and two daughters and buried them in an oil field where he worked.

The Netflix documentary, called American Murder: The Family Next Door, began streaming on September 30. It includes rarely-seen text messages and letters between Watts and his wife.