Now Playing: 3 inmates escaped jail in Illinois; 1 caught

Now Playing: Passenger describes chaotic scene from stalled roller coaster

Now Playing: FBI under fire as Justice Department investigates Comey

Now Playing: A look inside the country's biggest immigration-processing facility

Now Playing: Outrage over 'zero-tolerance' immigration policy

Now Playing: Meghan Markle's father speaks out after royal wedding

Now Playing: Radio reporter who lost the ability to speak finds new way to be heard

Now Playing: A California hospital suspends an ER doctor for cursing and mocking a patient

Now Playing: Actress Mary McCormack calls out Tesla after husband's car bursts into flames

Now Playing: Earthquake near Osaka kills at least 4 people

Now Playing: Real estate scam alert for renters and homeowners

Now Playing: Good Samaritan helps save unresponsive child on the side of the road

Now Playing: Powerful storms strike states in the Midwest

Now Playing: 2 escaped prisoners are on the run in Illinois

Now Playing: 2 suicide bombings end 3 days of peace in Afghanistan

Now Playing: Trump associate had undisclosed meeting with Russian in May 2016: Report

Now Playing: Deadly shooting at an arts festival in New Jersey

Now Playing: SUV with undocumented immigrants crashes on Texas highway

Now Playing: 2 sheriff deputies shot and killed by prisoner outside a Kansas courthouse

Now Playing: Best deals for Father's Day gifts