Now Playing: Notorious serial killer Ted Bundy is executed at Florida State Prison: Part 11

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Now Playing: Ted Bundy moves to Utah where one woman is able to escape from his grasp: Part 4

Now Playing: Ted Bundy murders women, whose disappearances cause fear around Washington: Part 2

Now Playing: Witnesses recall a man named 'Ted' at lake where women were abducted by Bundy: Part 3

Now Playing: Florida police arrest Ted Bundy, who initially refuses to reveal his identity: Part 8

Now Playing: Ted Bundy is arrested and found guilty of kidnapping in Utah: Part 5

Now Playing: Ted Bundy is convicted and sentenced to death in Florida Chi Omega murders: Part 9

Now Playing: Days before his execution, Ted Bundy begins confessing to murders: Part 10

Now Playing: Ted Bundy kills two women at Florida sorority, severely injures others: Part 7

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Now Playing: State trooper who arrested Ted Bundy on what he found in the serial killer's car

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Now Playing: After decades of silence, BTK killer returns, taunting local media and police: Part 5

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