Now Playing: Student and driver die in school bus fire

Now Playing: Tourist bus crashes in rural Mexico

Now Playing: Protests heat up opposing Alaskan Arctic refuge drilling

Now Playing: Former Texans cheerleader accuses team of duct-taping her

Now Playing: Police dad fired after arresting daughter and boyfriend

Now Playing: Severe storms across the country causing flood

Now Playing: Bodycam video reveals new details of deadly Uber self-driving car accident

Now Playing: New details emerge about moments leading up to deadly police shooting

Now Playing: Confusion on the border as lawmakers call for immigration changes

Now Playing: 'Thank you for fighting': Daughter remembers her late mother: Part 6

Now Playing: Murdered radio host's husband found dead, left behind suicide note: Part 5

Now Playing: Man charged in wife's shooting death is found dead in jail: Part 4

Now Playing: Murdered radio host's husband questioned about his past: Part 3

Now Playing: Daughter files a wrongful death suit against stepdad in mom's death: Part 2

Now Playing: 'Mom's dead': Radio host found gunned down in her own home: Part 1

Now Playing: What Would You Do: Couple refuses to leave a tip for their lesbian waitress

Now Playing: What Would You Do: Young girl damages paintings for sale with markers

Now Playing: What Would You Do: White woman tells adopted Hispanic daughter to only speak English

Now Playing: What Would You Do: Woman asks strangers to pose as her boss

Now Playing: What Would You Do: Man proposes to woman with fake engagement ring