Now Playing: Bodycam video shows EMT repeatedly punch restrained teenager

Now Playing: Police release bodycam video capturing woman's violent beach arrest

Now Playing: How parents can prevent hot car fatalities

Now Playing: 'GMA' Hot List: Woman punched by police officer at the beach speaks out

Now Playing: 10-year-old makes it his mission to help the homeless sleep comfortably

Now Playing: Teacher carries student with cerebral palsy on class hike

Now Playing: Calum Scott and Leona Lewis perform 'You are the Reason'

Now Playing: Cleveland Cavaliers set sights on Game 3 win at home

Now Playing: How US is preparing for North Korea summit

Now Playing: Inside Bachelorette Becca Kufrin's coveted closet

Now Playing: Catching up with Calum Scott and Leona Lewis on 'GMA'

Now Playing: How to rock the ultimate summer hair trends

Now Playing: 'Sex and the City' turns 20 years old

Now Playing: How collagen and adaptogens can help your skin

Now Playing: Boy who sews pillows for homeless surprised with NBA Finals tickets

Now Playing: Kate Spade's death shines light on suicide

Now Playing: Kate Spade's rich legacy in the fashion world

Now Playing: Woman punched by officer on beach speaks out

Now Playing: 2nd volcano explosion sends ash flying in Guatemala

Now Playing: White House accuses Philadelphia Eagles of 'abandoning their fans'