NEW : Dead are Denise Stirkens , 53 , and son , Christopher Stirkens , 25 , police say . NEW : James Stirkens , 58 , a police officer , is currently on routine administrative leave . An off - duty police officer shot and killed his son in the family home . The son was allegedly stabbing his mother , who later died in the hospital .
NEW : Dead are Denise Stirkens , 53 , and son , Christopher Stirkens , 25 , police say . NEW : James Stirkens , 58 , a patrol sergeant , is put on routine administrative leave . An off-duty police officer shot and killed his son in the family home . The son was allegedly stabbing his mother , who later died in the hospital .