Bill Cosby's Wife MIA in Second Day of His Sexual Assault Trial; Star Witness Takes Stand

Man Admits Unleashing Dog to Maul Girlfriend as She Tried to Leave Home

70-Year-Old Woman Survives for 5 Days Trapped in Car with Only Bananas and Water

Federal Prosecutor Found Dead on Florida Beach

Day Care Worker Arrested After Death of 8-Month-Old Girl

When Babies Disappear Without a Trace: 'Until I See a Body, I'm Going to Believe He's Alive'

Skull Found at Home of Woman Who Was Reported Missing in 1988

3 Arrests Made in Manchester Concert Bombing That Killed 22 as More Victims Are Named

Kathie Lee Gifford Brought to Tears Live on Air After Manchester Terror Bombing

Videos Show Chaos in Aftermath of Bombing at Ariana Grande Concert in Manchester