Now Playing: Bush Billboard Asks 'Miss Me Yet?'

Now Playing: Church Billboard Is Too Sexy for Some

Now Playing: Billboard Gives Drivers the Finger

Now Playing: Woman wanted for allegedly killing husband, doppelganger captured in Texas

Now Playing: August 30, 2000: 'Hopkins 24/7'

Now Playing: Live updates on today's National School Walkout

Now Playing: Students across US walk out for gun reform on anniversary of Columbine massacre

Now Playing: Chicago students walk out of school to protest gun violence

Now Playing: 1 injured in Florida high school shooting; suspect in custody, officials say

Now Playing: Catch up on today's biggest stories

Now Playing: Bus drivers fired for participating in school 'sick out'

Now Playing: Flint mayor pursuing lawsuit against Michigan over water distribution

Now Playing: NYC mayor announces a car-free Central Park

Now Playing: Massachusetts drivers mistakenly told their licenses would be suspended

Now Playing: Hundreds gather to pay respects to former first lady Barbara Bush

Now Playing: 19th anniversary of the Columbine High School massacre

Now Playing: Mom takes inspiration from 'Three Billboards' to help find her daughter's killer

Now Playing: Southwest offers apology, $5K, to passengers on damaged jet

Now Playing: Woman grabs granddaughter after bear enters her yard

Now Playing: Navy sailor, 24, goes missing in Connecticut