Now Playing: Dramatic flood rescue

Now Playing: Flash flood warnings extended as storms move east

Now Playing: Flood watches issued in 9 states as Plains also braces for storms

Now Playing: Chaos unfolds at Orlando airport after security breach

Now Playing: Deadly pileup in Missouri due to dangerous winter weather

Now Playing: Herd of elk seen in rising water

Now Playing: Victims named in Aurora mass shooting

Now Playing: Police recount prior arrests of Aurora mass shooter

Now Playing: Police recount timeline of Aurora mass shooting

Now Playing: Student hands out ‘n-word’ passes at Wisconsin school

Now Playing: Medical emergency sparks panic, fear of shooter at ‘Hamilton’ show in San Francisco

Now Playing: Possible motive in missing Colorado mom case revealed

Now Playing: Church saves up to pay off college students’ debts

Now Playing: Snowstorm causes chain reaction crash

Now Playing: 2 men released after detainment in Jussie Smollett case

Now Playing: The special counsel’s office is supporting a hefty prison sentence for Paul Manafort

Now Playing: 5 killed, several injured in shooting at Illinois company

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