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Now Playing: Severe storms heading for West Coast, then speeding east
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Now Playing: Midwest storms move East and bring ice and snow
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Now Playing: Chaos unfolds at Orlando airport after security breach
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Now Playing: Deadly pileup in Missouri due to dangerous winter weather
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Now Playing: Herd of elk seen in rising water
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Now Playing: Victims named in Aurora mass shooting
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Now Playing: Police recount prior arrests of Aurora mass shooter
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Now Playing: Police recount timeline of Aurora mass shooting
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Now Playing: Student hands out 'n-word' passes at Wisconsin school
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Now Playing: Medical emergency sparks panic, fear of shooter at 'Hamilton' show in San Francisco
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Now Playing: Possible motive in missing Colorado mom case revealed
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Now Playing: Church saves up to pay off college students' debts
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Now Playing: Snowstorm causes chain reaction crash
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Now Playing: 2 men released after detainment in Jussie Smollett case
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Now Playing: The special counsel's office is supporting a hefty prison sentence for Paul Manafort
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Now Playing: 5 killed, several injured in shooting at Illinois company
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Now Playing: Notorious serial killer Ted Bundy is executed at Florida State Prison: Part 11
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Now Playing: Days before his execution, Ted Bundy begins confessing to murders: Part 10
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Now Playing: Ted Bundy is convicted and sentenced to death in Florida Chi Omega murders: Part 9
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Now Playing: Florida police arrest Ted Bundy, who initially refuses to reveal his identity: Part 8