Now Playing: Miraculous recovery for 13-year-old declared brain dead

Now Playing: The US paint company behind Fenway Park's 'Green Monster'

Now Playing: University head reached out to students after graduation incident

Now Playing: Broken pipe floods hallway and cabins on cruise ship

Now Playing: JetBlue plane's cockpit windshield shatters midflight

Now Playing: Temple University student shot and killed near campus

Now Playing: Bodycam shows car sinking in lake as police attempt rescue

Now Playing: Boy once declared brain dead continuing to defy the odds

Now Playing: Hawaii rocked by eruptions and more than 1,000 earthquakes

Now Playing: Desperate manhunt underway for suspect who killed 24-year-old veteran

Now Playing: George Zimmerman charged with stalking man working on Trayvon Martin documentary

Now Playing: Suspected prowler dies after police subdue him with stun gun, bean bags: Official

Now Playing: After 23 years in prison, woman is giving back, talking to students across the nation

Now Playing: Seventh-generation coal miner hopes to be first of many in his family to code

Now Playing: United State of Women attendees share statements of support

Now Playing: Police superintendent retires after probe for giving Rush Limbaugh special treatment

Now Playing: What is a Firenado?

Now Playing: Wall of lava blocks road in time-lapse video

Now Playing: ABC News Live: Hawaii volcano evacuations underway

Now Playing: Son surprises biological mom with reunion at half marathon