Dr. Phil says that every family has secrets, but it’s important to talk about them and bring them to light.

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“Monsters live in the dark,” he says in the video above from after the show. “You don’t want to take the bad things from one generation to the next. You have a choice.”

Hear more of his advice in the video above.

WATCH: New Evidence Revealed For The First Time That May Indicate Who Murdered 'The Black Dahlia'

On Wednesday, Dr. Phil speaks to the family of Dr. George Hodel who was considered to be a suspect in the 1947 murder of 22-year-old Elizabeth Short, known as “The Black Dahlia.” George’s son, Steve, a retired detective shares details he learned while investigating the death that have him convinced his father killed the young woman. And, sisters Yvette and Rasha, great-granddaughters of George, share family secrets they say they discovered from audio recordings and notes in their late mother, Fauna’s, belongings that also have them convinced George was a murderer.

This episode airs Wednesday. Watch more here.

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