Now Playing: 13-year-old dies, 35 others sickened in NJ carbon monoxide poisoning

Now Playing: Students, Staff Treated for Possible Carbon Monoxide Leak at Texas Middle School

Now Playing: High Levels of carbon monoxide in the Iowa Law Enforcement Academy

Now Playing: Bat kid is now cancer-free

Now Playing: Fundraising scam?

Now Playing: Thanksgiving travel plans

Now Playing: Search continues for those missing following devastating wildfire

Now Playing: 911 call released in the death of Ohio University student

Now Playing: Michael Avenatti arrested on suspicions of domestic violence

Now Playing: Seven women are suing Dartmouth College for sexual assault

Now Playing: Noreaster turns deadly

Now Playing: Snow day at the zoo

Now Playing: District attorney ambushed in Greene County, Alabama

Now Playing: ‘Batkid’ is cancer free 5 years after his ‘wish’

Now Playing: Personal valuables stolen from patients at VA hospital in Cleveland

Now Playing: We love this coach giving a pep talk to his team in sign language

Now Playing: Town removing divisive giant wooden troll

Now Playing: Cesar Sayoc pleads not guilty in political pipe bombs case

Now Playing: School lockdown prompts 12-year-old to write goodbye letter to family

Now Playing: Major fire devastation