Steve and his fiancée, Jen, claim his ex, Robyn, coached his 12-year-old daughter, Alyssa, to accuse him of sexual abuse.

“I feel like Robyn’s turned my own daughter into a pathological liar,” Steve says. “In my mind, Robin did brainwash my daughter.”

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Steve says he was investigated and no charges were ever filed. He and Jen say they believe Robyn is just out to get money from Steve.

“Robyn is 100 percent a compulsive liar,” Jen says. “She may be crazy, or she may be a sociopath.”

WATCH: Woman Claims Ex-Boyfriend Attempted To Videotape Their Daughter While She Was In The Shower

Robyn claims Steve is a “deadbeat” dad who is trying to get out of paying child support. “I’ve done nothing but tell the truth and stand by my daughter,” Robyn says.

Watch more of their story on Thursday’s episode of Dr. Phil, and hear why Steve no longer wants Alyssa to be part of his life. Check here to see where you can tune in.

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