Man accused of killing pregnant wife, daughters formally charged with murder

Watts claims after seeing his wife strangling one of the kids on a baby monitor, he strangled their mother inside the family's home, according to court documents.
2:15 | 08/21/18

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Transcript for Man accused of killing pregnant wife, daughters formally charged with murder
From one awful case to the H and father of two coming face to fe with the family of the wife H gedly murdered. Christopher Watts claimin she killed the children he killedis out of Ang use of it. Herelayton Sandell. Reporter: Chris Watts, shackled and subdued, in court heing the charges against hi for thrst time.accused of murdering pregnant wife shanann, gushed about on Facebook. He was tne for me. And he is amazing. Reportend the daughters who adorim. Watts coming face to face shanann's father another, comforting each other as a J read a hbreaking list of crimes. Celatts. A child who had not attained12 years of age, and the defendant was in a pion of trust. Reporter: Pe say Watts C, that he did of rage only after caught his wife in the middle of strangling Celeste Ana. That version, prosecutors and friends believe, is E. Know that shanann would never rt her girls. Never. Her girls were her world. Reporter: Police also say S Watts wahaving an affair. Just two months he and his were celebrating another child the way. So pink means? That's juhe test. But pink is going to be rls? I don'tw. That's awesome Reporter: On the S fa went missing, he allegedly toldnnan he wanted to separate It wasn, like, an argument. We had an ional conversation, but I'll leave at that. It's -- I just want them back. Reporteut two days after this plea to cameras, police say Watts leem to three bodies hidden at this Colorado oil field. Shattering a picture of suburban P the prayers coming for our fa. Reporter: Watts has not yet tered a plea David?

This transcript has been automatically generated and may not be 100% accurate.

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