Beth Chapman, best known for the A&E reality series “Dog the Bounty Hunter,” has died. She was 51. Duane Dog Chapman, her husband, tweeted the news Wednesday. Chapman’s death follows a lengthy battle with lung cancer. On Monday, her husband and co-star, Duane “Dog” Chapman shared a photo from Beth's hospital bedside in Honolulu, where doctors placed her in a medically-induced coma.