Dog the Bounty Hunter is going though an unimaginable tragedy after his stepgrandson, Anthony Zecca, was accidentally shot and killed by his father, Gregory Zecca. Gregory — who’s the son of Dog’s wife, Francie Frane — accidentally shot his 13-year-old son in a “freak accident” on Saturday night, TMZ reported Sunday.

Duane “Dog” Chapman 's stepson Gregory Zecca allegedly shot his 13-year-old son Anthony, leading to the teenager's accidental death. The Dog the Bounty Hunter alum's family member was killed during an accidental shooting at an apartment in Naples, Fla., on Saturday, July 19, TMZ reported.