WATCH: News headlines today: Oct. 4, 2018

WATCH: News headlines today: Oct. 4, 2018
  • Now Playing: Ricin suspected at Pentagon mail center



  • Now Playing: Sen. Graham booed at event while defending Kavanaugh



  • Now Playing: News headlines today: Oct. 4, 2018



  • Now Playing: Dog saved after trapped in Florence floodwaters



  • Now Playing: Coaches, parents throw punches at youth football game



  • Now Playing: 1 student dead after fiery school bus crash



  • Now Playing: Search grows for masked gunman terrorizing neighborhood



  • Now Playing: 7 officers shot, 1 fatally, in standoff



  • Now Playing: Kavanaugh high school friend reacts to investigation



  • Now Playing: FBI ignored testimony in Kavanaugh investigation: Report



  • Now Playing: Masked gunman wanted in 2 Chicago killings



  • Now Playing: Powerful storm moving from Rockies into Midwest



  • Now Playing: 19 treated for exposure to pool chemical



  • Now Playing: Suspect in custody after 5 officers shot in South Carolina: Police



  • Now Playing: Chicago cop testifies in shooting death of Laquan McDonald



  • Now Playing: US cellphones ring with test of the presidential alarm



  • Now Playing: Video captures rescue of little dog floating on couch amid floodwaters



  • Now Playing: Manhunt for Tennessee suspect focusing on Nashville neighborhood: Police



  • Now Playing: Federal agents searching the Utah home of ricin scare suspect



  • Now Playing: 10 confirmed twisters in rare October outbreak over last 24 hours



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