Now Playing: WWII veteran graduates college at 96
Now Playing: Woman who kidnapped newborn apologizes to biological parents
Now Playing: Mom, daughter graduate together from Florida university
Now Playing: Police searching for suspect who injured 70-year-old woman in drive-by robbery
Now Playing: Lava from volcano eruption in Hawaii destroys 2 homes
Now Playing: Lava snakes through trees as Kilauea volcano erupts
Now Playing: Handcuffed man leaps over courthouse railing
Now Playing: Kroger supplier recalling 35,000 pounds of ground beef that may contain hard plastic
Now Playing: Quick-thinking bystander trips up armed suspect
Now Playing: Woman found stabbed to death at mall
Now Playing: Passengers claim flight attendant appeared drunk on plane
Now Playing: School superintendent arrested for defecating on another school’s property
Now Playing: ABC News Live: Trump says he ‘would love to speak’ with Mueller
Now Playing: Arizona teachers end their 6-day walkout
Now Playing: 24-year-old woman shot dead in NJ while driving home
Now Playing: Vice President Mike Pence swears in Richard Grenell as Ambassador to Germany
Now Playing: Authorities say they foiled an alleged ISIS-inspired attack on a Texas mall
Now Playing: Police injured in explosion after possible hostage situation
Now Playing: 1 dead from E. coli outbreak in romaine lettuce, CDC says
Now Playing: Military plane that crashed on Georgia highway had just undergone maintenance
