Now Playing: Triumphant recovery for one Las Vegas shooting victim
Now Playing: Las Vegas shooting victims sued by Mandalay Bay hotel owners
Now Playing: Las Vegas massacre victims emotionally recount moment shots were fired
Now Playing: Vegas shooting survivors wed 1 year after massacre
Now Playing: FBI investigates Supreme Court nominee Brett Kavanaugh allegations
Now Playing: US’s youngest face transplant recipient shares story of suicide survival, hope
Now Playing: Horse trots into a bar
Now Playing: Army medic honored for treating soldiers while under enemy fire
Now Playing: Navy team inspecting wreckage of plane near Guam
Now Playing: Search for survivors after at least 800 killed by Indonesia tsunami
Now Playing: A year after Las Vegas massacre, bump stocks are still on sale
Now Playing: 2-year-old boy among 3 dead in Pennsylvania car explosion: Coroner
Now Playing: Trump gives Medal of Honor to Army Special Forces medic
Now Playing: Man allegedly kills puppy with pellet rifle
Now Playing: One year since the Las Vegas massacre
Now Playing: Three people killed in car explosion
Now Playing: Deadly tsunami strikes Indonesia
Now Playing: 13-year-old boy attacked by shark
Now Playing: Police say a 12-year-old Boy Scout has died after being buried in sand
Now Playing: Cardi B turns herself in to police in connection with assault on 2 bartenders
