A Killer Among Us
Dateline NBC
00:00
The Hidden Horrors of Robert Yates' Secret World
Robert Yates' grandfather, John Tyler Yates, was found guilty of killing his wife and children in 1945. The family had kept the secret from Robert's mother for 30 years. Linda Yates says her husband never told her that story. Did the family trauma infect Robert somehow? He sat in his cell at the county jail for six months silent.
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