NEW : Blood found in suspect 's vehicle , police say . Bravo 's lawyer said his family initially volunteered to help in the search , only to be politely turned down by the victim 's relatives . NEW : Student 's backpack found at suspect 's home , police say . Christian Aguilar , 18 , was last seen September 20 in Florida , Gainesville . Joe Sutton , also September 20 , is charged with murder .
NEW : Blood found in suspect 's vehicle , police say . NEW : Student 's backpack found at suspect 's home , police say . Christian Aguilar , 18 , was last seen September 20 in Florida , Gainesville . Joe Sutton , also September 20 , is charged with murder .