DALLAS -- A wedding photographer in the Dallas area probably can't count on a recommendation from her last client.On Saturday, she allegedly had sex with one of the guests at the wedding venue.Investigators say Katherine Mehta, 26, was told to leave the party after she became intoxicated.Officers said at one point Mehta started yelling near a water fountain, before urinating on a tree.Mehta also allegedly threatened to kill the officers who drove her to jail."Y'all families will be dead by Christmas," Mehta allegedly told officers.Officers who searched Mehta said they found a prescription bottle in her name for Alprazolam, a drug commonly used to treat anxiety and panic disorder.She's charged with public intoxication and obstruction.