After watching an episode of Dr. Phil four years ago about a 15-year-old girl who was raped by members of a football team, Cindi says she was compelled to talk to her young children about what to do in case they ever witnessed sexual abuse. She says she was shocked to learn what her daughter’s had told her: they had been sexually abused by their grandfather, Clyde, Cindi’s father.

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In the video above, Cindi recalls the day in detail, including what happened when she called her mother to tell her what she had learned. And, hear why she says she doesn’t believe her daughters were Clyde’s only victims.

WATCH: How A Couple Says A Family Secret Revealed Has Taken A Toll On Their Marriage

On Tuesday's episode of Dr. Phil, hear how this family says the abuse has torn them apart. And, hear from Cindi’s daughters and what they say they want from their mother. Check here to see where you can watch.

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Sisters Say Mom Is ‘Obsessed’ With Reliving Trauma And Won’t Let Go Of The Past