The real-life Dirty Harry was a Korean War veteran who hunted the Zodiac Killer.
Few cinematic crime fighters are more revered than Inspector Harry Callahan, from Clint Eastwood's 1971 film, Dirty Harry. Before that, it might have been Frank Bullitt, as portrayed by Steve McQueen in 1968's Bullitt. Both movies are centered around a hard-boiled police detective working the streets of San Francisco. Frank Bullitt was fighting mafia hitmen while Harry Callahan was trying to bring down an insane serial killer.
Both of these fictional detectives are based on one man: real-life San Francisco detective, Dave Toschi.
Behind that glorious bow tie is a force of nature.
At his desk in San Francisco's Hall of Justice, one might not have picked out the man in a bow tie as someone who served in the 24th Infantry Division in Korea. It was the unit that took the brunt of a full-scale North Korean invasion with no reinforcements in sight, the unit that held the Pusan Perimeter for months on end, and the unit that pushed the Chinese back to the 38th Parallel the very next year. David Toschi was that guy, but he truly made his name as a police detective, cleaning the streets of San Francisco for 32 years.
He joined the force right after leaving the military, in 1953. His ties, signature suits, and "exaggerated" trench coats earned him the attention of the San Fran news media, but his work was his enduring legacy – and what ended up translated to the silver screen.
Actor Steve McQueen, upon meeting Toschi, demanded his character, Frank Bullitt, wear a similar shoulder holster.
Even though Toschi's flair won him attention from the media, it was his biggest case that earned him the most acclaim – and would later be his downfall. He began working homicide in 1966. Just three years in, he was assigned to work the murder investigation of cab driver Paul Stine. Stine picked up a passenger who wanted to be taken from Geary Street to Maple Street in San Francisco's Presidio Heights neighborhood. Just one block North of Maple, the passenger shot Stine in the head, then took his keys, wallet, and a portion of his bloody shirt.
No one knew why until three days later, when the Zodiac sent a threatening letter to the San Francisco Chronicle with a piece of Stine's shirt, to prove the cabbie was a victim of the Zodiac; the only time Zodiac killed inside the city.
In 1971's 'Dirty Harry' the Toschi-inspired inspector hunted the killer calling himself 'Scorpio,' a figure ripped from the Zodiac headlines at the time.
Toschi estimated that he investigated 2,000-5,000 people while looking for Zodiac but the killer was never found. Toschi left homicide in 1978 and retired in 1985. Toschi was reassigned from the Zodiac case in 1977 after it was revealed that the detective sent so-called fake "fan letters" about his own performance in the case to the San Francisco Chronicle. Zodiac was active from 1969 through the early 1970s but sent letters to the paper for years.
Zodiac had a confirmed seven victims but claimed as many as 37. His last confirmed victim was Stine, and his last letter to the paper came in 1978. The prime suspect in the Zodiac case – and the man Toschi always suspected – was U.S. Navy veteran and schoolteacher, Arthur Leigh Allen.
"Why didn't we get this guy?" Toschi once asked the Chronicle. "I ended up with a bleeding ulcer over this case. It still haunts me. It always will."
Allen (left) in 1969, compared to the composite sketch of Zodiac from a 1969 attack in Napa County, Calif.
Toschi could never find enough evidence to bring Allen to trial, despite spending nine years on the case. Toschi's other cases include bringing down a gang of murderers calling themselves the "Death Angels." The group committed racially-motivated killings against white victims. They are known to have killed at least 15 but may be responsible for as many as 73 murders in San Francisco in 1974.
Dubbed the "Zebra Murders," they caused widespread panic in the city of San Francisco at a time when the city was still reeling from the exploits of the Zodiac. Toschi was part of the team that helped bring the gang down and put them away for life.
It was Zodiac that kept his attention, but he never managed to pin the killer down.
"I'm not a vengeful type, but when a life is taken, there must be justice," he said.
Mark Ruffalo as Toschi in the 2007 film, 'Zodiac.'
In the years following his service on the SFPD, he took a job doing private security and even as a technical advisor on the 2007 David Fincher film, Zodiac, watching actor Mark Ruffalo portray him on screen.
Every October 11, from 1970 until 2017, Toschi sat in his car at the same Presidio Heights location where Paul Stine was murdered by the Zodiac, wondering what he missed. Toschi died in January 2018 at the age of 86.
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