Now Playing: At least 3 killed, 5 seriously injured in pedestrian car crash in Honolulu
Now Playing: Gunman opens fire on a crowded New York City street
Now Playing: Police searching for driver in hit-and-run rollover crash
Now Playing: Rescue crews search underway in deadly California flooding
Now Playing: Saluting the American heroes in Vietnam
Now Playing: 5-year-old mauled by a pitbull at Portland airport
Now Playing: Luke Perry hospitalized due to unknown medical issue
Now Playing: Patriots owner Robert Kraft enters plea
Now Playing: Video released of Wisconsin’s largest traffic wreck
Now Playing: Virginia’s first lady, Pam Northam, under fire
Now Playing: Trump and Kim Jong Un fail to reach agreement during summit
Now Playing: Trump intervened for Jared Kushner to receive top-secret security clearance: Report
Now Playing: A sneak peek at Disney’s new Star Wars theme park set to open summer 2019
Now Playing: My time with Rosa Parks: reporter’s notebook
Now Playing: Cohen continues Day 3 of testimony, admits to years of lying to protect Trump
Now Playing: Baby boy, 6-year-old girl among 4 dead in apparent murder-suicide at Illinois home
Now Playing: Nurse adopts sweet baby she cared for in pediatric ICU
Now Playing: What Sarah Stern’s friend says happened to her body after she was killed
Now Playing: The moment Sarah Stern’s childhood friend confesses to knowing who killed her
Now Playing: Sarah Stern’s dad’s message for convicted killer: ‘Go to jail, don’t ever come out’
Read More