Now Playing: 9/11 Terror Threat Puts N.Y., D.C. on High Alert

Now Playing: Toddler Who Survived Florida Boat Crash Heads Home From Hospital

Now Playing: Domestic Dispute Leads to 5 Dead in Alabama

Now Playing: Will Donald Trump Change After Campaign Shake-Up?

Now Playing: Donald Trump Attempts to Reach Out to Minority Voters

Now Playing: Baby Rescued From Boat Accident After Hour-Long Effort

Now Playing: This Week in History: August 21-27

Now Playing: Toddler Saved From Florida Boat Crash

Now Playing: 2 South Carolina Escaped Inmates Are Back Behind Bars

Now Playing: Kansas and Louisiana Face Widespread Flooding

Now Playing: 'Slenderman' Trial Sees New Defense Emerge for 1 of the Suspects

Now Playing: Kennel Worker Comforts Dog Looking for Permanent Home

Now Playing: 'GMA' 60-Second Hot List: Simone Biles on Life After the Olympics

Now Playing: The World According to Ryan Lochte

Now Playing: Blue Cut Wildfires in Southern California Destroy 96 Homes, 213 Other Buildings

Now Playing: 4th Grader Builds Birthday Box Kits for Classmates in Need

Now Playing: Maryland Apartment Fire: 3 Dead, Site of Explosion Identified

Now Playing: Lochte Apologizes 'For Not Being More Careful' in 'Traumatic' Rio Incident

Now Playing: Olympians in Troubled Water: A Timeline of What Happened in Rio

Now Playing: NASA Astronaut Dr. Stanley Love Talks Spacewalk, Dextre and the Future of Space