That man was 32 year old David Martin, who lost control in a drug fueled attack late at night in his San Francisco home, subjecting his family to a terrifying ordeal. He attacked his wife, injuring her with a broken bottle and knife, forcing her to flee from the residence with her nine year old son. Police surrounded the house and by gaining entry were able to facilitate a clear line of sight incapacitating David Martin shortly before his death on November 21st 1969. .View newspaper article from the Sydney Morning Herald.
Zodiac Claim Is Discounted By Officers - Desert Sun, 22 November 1969.
SAN FRANCISCO (UPi)- 'Police do not believe that a demented San Francisco father killed by a patrolman as he threatened to slit his daughter's throat is the Zodiac killer who claims to have murdered seven persons. David 0. Martin was killed early Friday by a single shot by officer Thomas Burns. Before he died, he said “I am Zodiac.” His final words to Burns were ‘‘Thank you officer...l am through.” But police said later that they had determined Ihrough fingerprint comparisons that Martin’s claim he was the Zodiac killer was not time. They said Martin had a record of arrests dating back eight years, mostly on narcotics law violations. Martin, a skilled construction worker, had not worked for five years. Police were first alerted when his wife ran with the couple’s 9-year-old son out of the house screaming ‘‘He’s gone crazy..he’s going to kill us.” She was bleeding from where her husband had pricked her with a knife and a broken bottle. She said her husband had suddenly gone berserk, apparently as the result of his daily use of barbiturates and amphetamines. Martin was still clutching his sobbing and frightened daughter. 11, as he died. The girl and her mother were taken to a nearby emergency hospital and treated for their cuts.'