When a pregnant Shan’ann Watts and her two daughters Bella, 4, and Celeste, 3, disappeared from their home in Colorado in mid-August 2018, Shan’ann’s husband, Chris, appeared in front of news cameras to plead for their return, stating, “It’s like a nightmare that I just can’t wake up from.”

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In the investigation that followed, Watts reportedly told authorities that Shan’ann had strangled their daughters and that he strangled her, then transported all three bodies to an oil site where he worked. Watts later confessed to killing the children as well. He was charged with three counts of murder in the first degree.

WATCH Former FBI Profiler Says Psychopaths ‘Don’t Feel Remorse Or Empathy’

“He started making really dumb mistakes really early,” says Dr. Phil of Watts’s initial interview in the media. What does he say about the signs psychologists look for when conducting behavioral analysis on criminal suspects?

Plus hear what Nancy Grace, legal commentator, journalist, and founder of Crimeonline.com says about the investigation.

Check here to find out where you can watch Tuesday’s Dr. Phil.

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‘Chris Watts Is What We Call A Family Annihilator,’ Says Former FBI Criminal Profiler