Califonia police working on a DNA match for the Zodiac Killer

  Detectives in northern Califonia are working to find a DNA profile on the infamous Zodiac Killer.  The  Zodiac killer is rumored to have killed 37 people in northern California and has never been caught. Vallejo police and have used the DNA traces found in envelopes submitted by the killer himself.   Law enforcement is working on making a recent arrest form a decade's old case.  This recently developed technology was used to arrest the alleged golden state killer Joseph DeAngelo. Lab results are expected in the next few weeks as the police department and private labs work with envelopes and postage stamps looking for saliva.  The Zodiac Killer had his killing spree in northern California form 1968 to 1969 and 5 people were killed.  The killer also sent haunting and cryptograms to the police and newspapers that included astrological symbols.