" : Katherine Davis , 81 , died from ` ` blunt head trauma and burns , '' coroner says . Police suspect drugs may have been involved , but no evidence yet . Michael Lewis , 28 , apparently fell to his death , police say . Lewis ' s resume also included ` ` The O.C . '' and ` ` Criminal . ''
NEW : Katherine Davis , 81 , died from `` blunt head trauma and strangulation , '' coroner says . Police suspect drugs may have been involved , but no proof yet . Johnny Lewis , 28 , apparently fell to his death , police say . Lewis ' acting resume also included `` The O.C . '' and `` Criminal Minds ''