Now Playing: Harvey Weinstein enters NY courthouse

Now Playing: Trump: 'We're talking' with North Korea

Now Playing: Bus driver in deadly crash makes court appearance

Now Playing: Georgia police officer hailed a hero after helping save baby's life

Now Playing: '20/20' says farewell to Elizabeth Vargas

Now Playing: Harvey Weinstein turns himself in to NYPD following allegations of sexual misconduct

Now Playing: Student, teacher taken to hospitals after shooting at Indiana middle school

Now Playing: Weinstein to surrender

Now Playing: What is Manhattanhenge?

Now Playing: 2 victims in Indiana school shooting, suspect in custody

Now Playing: Friday Rewind: Trump claims campaign spy infiltration

Now Playing: Suspect in custody after shooting at middle school

Now Playing: Police bodycam shows rescue of infant, family from SUV crash

Now Playing: Rose McGowan responds to Harvey Weinstein turning himself in

Now Playing: Contractors help woman discovery mystery illness

Now Playing: Best and worst times to hit the road this weekend

Now Playing: NBA player speaks about stun-gun arrest

Now Playing: What's next for Harvey Weinstein

Now Playing: Heavy storms may rain out Memorial Day Weekend plans

Now Playing: Walking through Arlington National Cemetery's hallowed ground