Article Photos: Police: Fla. teen killed parents, then had party 1/4

  This photo provided by the St. Lucie county Sheriff's office on Monday, July 18, 2011, shows Tyler Hadley, 17, of Port St. Lucie, Fla. Hadley is accused of beating his parents to death with a hammer and then throwing a party. He is being held on two counts of first-degree murder in the deaths of his parents, Blake and Mary-Jo Hadley. The bodies were discovered early Sunday morning after police received a tip.. (AP Photo/ St. Lucie county Sheriff's office)