Chapman starred with her husband on the A & E reality show "Dog the Bounty Hunter," which ran from 2004 to 2012. The show follows Dog, the mulleted bounty hunter and his platinum blonde wife Beth, who formed a ferocious team that tracked down bail fugitives and filmed in Hawaii as well as Colorado
The couple then starred in "Dog and Beth: On the Hunt," and spin-off that aired on CMT from 2013 to 2015.
Despite the diagnosis, Chapmans announced a new show "Dog's Most Wanted"
"My wife, the love of my life, is fighting for her life, and instead of being at home helping her, I'm out here looking for you," Dog Chapman says in the promo. "I've been warned," Beth Chapman adds.
Beth Chapman raised 12 children with her husband and spent nearly 30 years in the bail bond business, her website states. In 2016, she was elected President of the Bail Agents of the United States.