Now Playing: Man received citation after he smashed a car window to rescue dogs in a hot car

Now Playing: Officer in Phoenix critically injured during traffic stop

Now Playing: Fighter pilot safely ejects moments before fiery crash

Now Playing: The moment Aretha Franklin stepped in for Pavarotti

Now Playing: Woman who admitting to pushing girl off bridge charged

Now Playing: Fla. deputy is reunited with girl he rescued from hot car

Now Playing: Millions in the Northeast bracing for dangerous storms

Now Playing: ‘I had to. He was going to shoot us’: Video after shooting points to cop’s distress

Now Playing: Girl who pushed friend off bridge charged

Now Playing: Teen feels like Superman after surviving lightning strike

Now Playing: Batmobile creator’s collectibles are on display

Now Playing: Hospital throws baby shower for more than 100 moms

Now Playing: Woman pleads for help in 911 call after ‘stand your ground’ deadly shooting

Now Playing: Baltimore police make arrest in connection with death of 7-year-old by stray bullet

Now Playing: Former security officials stand with Brennan

Now Playing: Detroit celebrates Aretha Franklin

Now Playing: Remains of wife, two young daughters found in Colorado murder case

Now Playing: Girl who pushed friend off bridge speaks out

Now Playing: Trump remarks on Manafort trial as public awaits verdict

Now Playing: Trump remarks on Manafort trial as public awaits verdict