Duane "Dog the Bounty Hunter" Chapman's stepson, Gregory Zecca, has disabled his Instagram following a family tragedy. After news broke that his 13-year-old son, Anthony, was shot and killed in a freak accident, Gregory's Instagram seemingly disappeared from public view. "We are grieving as a family over this incomprehensible tragic accident," Dog and his wife, Francie Chapman, said in a statement to TMZ on Sunday, July 20. "[We] would ask for continued prayers as we grieve the loss of our beloved grandson, Anthony.