Now Playing: Massive boat fire reported on Lake Powell

Now Playing: Arrest made in Tupac’s murder after decades with no movement in case

Now Playing: Major Powerball lottery fever

Now Playing: Gas prices on the rise

Now Playing: Plea deal for a Trump Fulton County co-defendant

Now Playing: UAW strike expands to Chicago and Lansing plants

Now Playing: Military families brace for government shutdown

Now Playing: Possible government shutdown would begin at midnight

Now Playing: Judge says she's ended conservatorship between Michael Oher and the Tuohy family

Now Playing: Lawmakers and voters remember Senator Dianne Feinstein

Now Playing: New York declared state of emergency from flooding

Now Playing: Arrest made in Tupac Shakur murder investigation

Now Playing: How possible government shutdown can affect air travel

Now Playing: Tributes pour in as US mourns trailblazing Sen. Dianne Feinstein

Now Playing: After suspect arrested in Tupac's murder, a look back at his life and death

Now Playing: ABC News Live Prime: Fri, Sep 29, 2023

Now Playing: 'She stuck to her principles': Sen. Jeanne Shaheen on Dianne Feinstein's legacy

Now Playing: Gen. Mark Milley retires

Now Playing: Deaf mountaineers scale world's highest peaks with a purpose

Now Playing: ABC News Live Rundown: Friday, September 29, 2023