Newly released videos show a man preparing his Wyoming, Michigan, home for a couple who he later killed.
Authorities say Brady Oestrike killed 25-year-old Charles Oppenneer and 18-year-old Brooke Slocum, who was eight months pregnant, in July 2014. Oestrike killed himself after authorities chased him.
The couple had met up with Oestrike through an online service for a sexual encounter.
The videos obtained through a Freedom of Information Act request were recorded in the days and hours leading up to the slayings from four surveillance cameras Oestrike set up around his home.
The first video is dated July 5, 2014, the weekend before Oppenneer was killed and Slocum was abducted. The video shows Oestrike hanging ropes from his basement ceiling and holding a whip. He also walks by with a chain and padlock and lays out undergarments.
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