Now Playing: Parents join Facebook support groups to deal with kids playing Fortnite

Now Playing: Parents warn of online gaming scammers on Fortnite

Now Playing: ‘GMA’ Hot List: Mom warns of Fortnite fraud

Now Playing: What Would You Do: Teacher doesn’t have enough money for groceries and supplies

Now Playing: What Would You Do: Teenager ignores parents while playing Fortnite

Now Playing: What Would You Do: Thief steals a woman’s engagement ring at nail salon

Now Playing: What Would You Do: Coach doesn’t want white student athlete kneeling during game

Now Playing: What Would You Do: Coach doesn’t want black student athlete kneeling during game

Now Playing: Surveillance video shows moment missing teen returns home: Part 6

Now Playing: Missing teen learns name of her captor through book he gave her: Part 5

Now Playing: Police arrive at property where man was holding missing teen captive: Part 4

Now Playing: Kidnapping survivor recalls life in captivity and how she kept hope alive: Part 3

Now Playing: 14-year-old girl reported missing after she doesn’t come home from school: Part 1

Now Playing: Letter from missing New Hampshire girl appears in mom’s mailbox: Part 2

Now Playing: Kidnapping victim Abby Hernandez breaks her silence on ’20/20′

Now Playing: Cruise ship stranded off Massachusetts shore after losing power

Now Playing: Delta wildfire rages through Northern California

Now Playing: News anchor whose daughter died of overdose makes public plea

Now Playing: Arrest warrant to be filed for officer who shot man in his apartment

Now Playing: Calif. interstate still shut down for more than 45 miles due to Delta fire