Now Playing: Bristol and Levi Reunited

Now Playing: Were the Mel Gibson Tapes Tampered With?

Now Playing: Mercedes Crash Leaves Owner Facing Big Bill

Now Playing: Blake Lively, Ryan Reynolds' 2nd Child is Born

Now Playing: Prince William and Kate Middleton Set to Wrap Up Canada Visit

Now Playing: New Jersey Train Accident Details Emerge After Data Recorder is Recovered

Now Playing: Donald Trump, Former Miss Universe Engage in War of Words on Twitter

Now Playing: Donald Trump Deposition Video in Hotel Lawsuit is Released

Now Playing: Tulsa Police Officer in Court for Shooting Death of Unarmed Man

Now Playing: Nick Hillary Discusses Acquittal of Murder Charges Against Him

Now Playing: Donald Trump Changes Reaction to 1st Debate

Now Playing: NTSB Vice Chairwoman on NJ Train Crash Investigation

Now Playing: Nick Hillary Speaks Out After Not Guilty Verdict

Now Playing: Police Search for Answers in Mysterious Death of 2 Sisters

Now Playing: President Obama Attends Funeral of Former Israeli President Shimon Peres

Now Playing: Deals and Steals: 30 Deals on September 30

Now Playing: 'Walking Dead' Co-Creator Files $280M Lawsuit Against AMC

Now Playing: Deals and Steals: Fall Must-Haves

Now Playing: 'GMA' Kicks Off 'Deals and Steals' '30 on 30' Event

Now Playing: Prince George, Princess Charlotte Make Royal Appearance in Canada