Now Playing: Municipal airport damaged in storm
Now Playing: Hurricane Florence reclassified to a tropical storm
Now Playing: FBI interviews Kavanaugh’s Yale classmate
Now Playing: Trump defends Kavanaugh, slams Democrats
Now Playing: Mystery car explosion in Allentown, PA
Now Playing: 13-year-old boy bitten by shark off southern California coast
Now Playing: Tropical Storm Rosa set to hit the Baja Peninsula
Now Playing: Military dad surprises son at school pep rally
Now Playing: Teen deemed ineligible for football due to homelessness back on the field
Now Playing: Teen hospitalized after shark attack near San Diego, California
Now Playing: Mysterious car explosion in Allentown, Pennsylvania
Now Playing: Police release interrogation tapes of husband charged in wife’s death
Now Playing: Prince’s half-sister determined to find who gave him counterfeit pills: Part 6
Now Playing: Following the trail of the deadly fentanyl drug to China: Part 5
Now Playing: Alarming outbreak of drug overdoses overwhelms Tennessee town: Part 4
Now Playing: How criminals are able to make deadly counterfeit pills: Part 3
Now Playing: Prince suddenly dies at Paisley Park from fentanyl overdose: Part 2
Now Playing: Audio detailing the night Prince nearly died from overdose on plane: Part 1
Now Playing: Media mogul Ted Turner, 79, reveals battle with Lewy body dementia
Now Playing: Pilot safely ejects after F-35B fighter jet crashes in South Carolina
Read More