Now Playing: Search intensifies for missing Colorado mom
Now Playing: New twist in case of missing Colorado mom
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Now Playing: Notorious serial killer Ted Bundy is executed at Florida State Prison: Part 11
Now Playing: Days before his execution, Ted Bundy begins confessing to murders: Part 10
Now Playing: Ted Bundy is convicted and sentenced to death in Florida Chi Omega murders: Part 9
Now Playing: Florida police arrest Ted Bundy, who initially refuses to reveal his identity: Part 8
Now Playing: Ted Bundy kills two women at Florida sorority, severely injures others: Part 7
Now Playing: Convicted kidnapper Ted Bundy escapes not just once, but twice from custody: Part 6
Now Playing: Ted Bundy is arrested and found guilty of kidnapping in Utah: Part 5
Now Playing: Ted Bundy moves to Utah where one woman is able to escape from his grasp: Part 4
Now Playing: Witnesses recall a man named ‘Ted’ at lake where women were abducted by Bundy: Part 3
Now Playing: Ted Bundy murders women, whose disappearances cause fear around Washington: Part 2
Now Playing: Who was Ted Bundy, the notorious serial killer who murdered dozens of women: Part 1
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