David Robinson, the star of "Dog's Most Wanted," has died at age 50.

David Robinson, one of Dog the Bounty Hunter 's partners for years and the star of "Dog's Most Wanted," died from heart issues. David's wife, Brooke Robinson, tells TMZ... the family just got the autopsy report back and it says the 50-year-old died from critical coronary artery disease.

David Robinson, who starred alongside bounty hunter Duane "Dog" Chapman on the show Dog's Most Wanted, died Wednesday. Robinson's death was confirmed by his ex-wife Rainy Robinson, who costarred with him on the series. "It's sad," she tells PEOPLE. "They are going to do an autopsy because he was so young. He just literally turned 50."