Now Playing: Oklahoma City Bombing Remembered 20 Years Later
Now Playing: Statue of Liberty Evacuated Over Suspicious Package
Now Playing: Realtor Faces Danger on the Job
Now Playing: Two Sisters' Remarkable Survival Story
Now Playing: Severe Storms Smash Louisiana and Kansas
Now Playing: Baltimore Protesters Call for Justice for Freddie Gray
Now Playing: Bruce Jenner: 'Kimberly Has Been By Far the Most Accepting'
Now Playing: Bruce Jenner Opens Up About Gender Identity
Now Playing: World Reacts to Bruce Jenner's Transgender Announcement
Now Playing: Sisters Airlifted to Safety After 2 Weeks Lost in Wilderness
Now Playing: Demonstrators Protest Death of Freddie Grey
Now Playing: Index: Bomb Scare at Statue of Liberty
Now Playing: 20-Year-Old Woman Called 911, Not Realizing She Was Shot in the Neck
Now Playing: 16 Students Hospitalized After Indiana Stage Collapses
Now Playing: Twisters, Rain Hit the South
Now Playing: Protesters Claim Freddy Grey Victim of Baltimore 'Rough Ride'
Now Playing: America's Drone Program Under Fire After Death of Two Hostages
Now Playing: Supreme Court to Hear Arguments on Gay Marriage
Now Playing: Teen Held at Rikers Island Jail for Three Years Before Charges Dropped
Now Playing: Hubble Telescope Still Going Above and Beyond
Source: http://abcnews.go.com/WNT/video/index-bomb-scare-statue-liberty-30571985