A man explains why he says he believes his ex-wife is partially to blame for their son molesting their younger daughter. And, hear why he believes his son won't offend again.

TELL DR. PHIL YOUR STORY: Explosive family drama?

This episode of Dr. Phil airs Friday. Watch more here.

Dr. Phil To Parents Of 18-Year-Old Sexual Predator: ‘He’s About As High A Risk For Re-Offense As I’ve Ever Met'