
This may have been the case with the white Chevrolet Impala spotted by Robert Connelly and Frank Gasser when they passed the gate #10 turnout at 9pm on their way to the Marshall Ranch to hunt raccoons in the area of the Benicia Pumping Station. Later, spotted by sheepherder Bingo Wesner at 10pm as he walked the field tending his sheep near the turnout. Or he noticed the Chevrolet Impala when driving into Gate #10 to check his sheep. The question has always been: was this the vehicle of the Zodiac Killer, armed with a sighting attachment to his gun or rifle? Shooting kids in or by a vehicle, aided by headlights, doesn't really necessitate the use of a pencil flaslight. However, if his intention that night was to park in the turnout by the pumping station and head off into the dark fields to hunt potential victims connected to the businesses and ranches in that area, a sighting implement may have been much more beneficial.

The Zodiac Killer could have parked his Chevrolet in the turnout sometime before 9pm and ventured into the area by the pumping station to search for victims, but was later disturbed by the arrival of Robert Connelly and Frank Gasser, armed with guns and dogs. He may have thought it wise to temporarily vacate the area and return to his vehicle. Robert Connelly and Frank Gasser reported that they "treed either a cat or raccoon in the area of the Dotta Ranch. While they were there they saw some sort of activity up there, all the lights were on, but they were a little distance away". The Zodiac Killer may have got back into his vehicle and cruised around the Lake Herman Road and Blue Rock Springs areas looking for alternative victims. The "extensive hunting activities" described by Kim Rossmo. Failing to find any victims he reverts back to his original plan and heads back to the gate #10 turnout, where he may have "encouraged" the decision by William Crow and his girlfriend to relinquish the turnout (Crow in a later account described the car that chased him as a four-door light-colored Chevy). The alternative is that Zodiac arrived after the William Crow incident. Parking back up sometime before 10pm, he once again ventures back into the field beyond the gate to resume his hunt. While he is scouting the area by the pumping station, Bingo Wesner notices his vehicle at 10pm in the turnout while walking the field tending his sheep. After seeing the vehicle has no occupants he resumes his duties.

After the Zodiac Killer leaves the turnout, Bingo Wesner, who has now finished tending his sheep, leaves through the vacant turnout sometime after 10:30pm. Approximately 45 minutes after Zodiac had left the turnout, he returns for a third time at about 11:15pm and notices the Faraday Ramber in the turnout. The rest is history. Later, he would recall in his August 4th 1969 letter, that "All I had to do was spray them as if it was a water hose; there was no need to use the gun sights". There may have been no need to use the "gun sights" because these murders were not his original plan.
There was some conflict in the statement of Helen Axe according to police, who noted that when Miss Axe first contacted them, she described a Rambler backed into the gate, and then changed her story to a Rambler facing the gate before turning around. Ray Grant may have a good case for arguing that Helen Axe saw the Chevrolet Impala, who ultimately convinced herself she had seen the Faraday Rambler after the story of the murders broke in the newspaper. The shifting position of a Chevrolet facing the gate, to turning around, would effectively describe a Zodiac Killer returning from his excursion into the field at approximately 10:30pm. Her first sighting of a vehicle at 10:15pm facing into the gate would have been only 15 minutes after the sighting of an unoccupied Chevrolet in the turnout by Bingo Wesner, facing into the gate. For her sighting to be the Faraday Rambler, the owner of the Chevrolet facing the gate, would have had to return to the vehicle shortly after 10pm, leave the turnout, to be replaced by the Faraday Rambler minutes later, which also parked facing the gate at 10:15pm. This seems less likely than it being the same Chevrolet in the turnout at 10pm, 10:15pm and 10:30pm. The final time being the Chevrolet after turning around to leave.
There is also the possibility that Helen Axe mistook the color of the vehicle she observed, because the factory color of some Chevrolet Impala's made in 1959 and 1960, were painted in ermine white, which in dark and subdued lighting can appear light brown. The very color that Michael Mageau described as the color of Zodiac's car on July 4th/5th 1969, viewed in less than favorable light. The reason that Robert Connelly and Frank Gasser described the vehicle as white, was that Frank Gasser, while hunting that night, later revealed he had approached the Chevrolet Impala and shone a flaslight at it (noticing it was unoccupied). Bingo Wesner, tending his sheep at night, also noticed the Chevrolet while walking in the field. Bingo Wesner absolutely required visibility to do his job, so it is quite reasonable to conclude he was in possession of a flashlight too. The following section is from a previous article, suggesting that there is a possibility Zodiac used the same vehicle during his second attack

After exiting his vehicle the Zodiac Killer approached the Corvair and began shooting the couple. Subsequent to the attack (at about 12:02am on July 5th 1969) he got back in his vehicle and then drove away towards Springs Road for a second time. Michael Mageau was able to recall the assailant's vehcle had a California license plate. The Zodiac Killer, without knowing the automobile proficiency of the couple in the Corvair, especially after parking his vehicle alongside theirs for about one minute - and entering and exiting the parking lot twice - must have been aware that there was a reasonable possibility the couple had recognised the make and color of his vehicle. He even drove away from the crime scene slowly according to his story.
The Zodiac Killer, if he was familiar with Blue Rock Springs, also knew that there was a reasonable possibility that the nine shots he fired that morning may have been heard by the caretaker and/or residents of the house approximately 800 feet from the parking lot. George Bryant stated that "he could hear laughing and a few firecrackers being set off. And at approximately midnight he heard what appeared to be a gunshot. This was much louder than any of the firecrackers. A short time later he heard what appeared to be another gunshot. After another short pause he heard rapid fire of what appeared to be gunshots. He then heard a car take off".
The Zodiac Killer's vehicle had been viewed by Michael Mageau and Darlene Ferrin for at least 2 minutes that night/ morning, and he had fired off 9 shots in total. If he had planned to make a phone call that morning, the obvious choice was to do this immediately before police were alerted and his vehicle description was sent out over the airwaves throughout Vallejo. But wait I hear you say; Zodiac probably thought the couple were dead. After all, his phone call to Nancy Slover stated "I want to report a double murder. If you will go one mile east...... On Columbus Parkway to the public park, you will find the kids in a brown car". This gives the impression that he thought he had killed two people - but this claim was bullshit - and he knew there was a distinct possibility he had only killed one person that morning.

Michael Mageau was last described by Zodiac as thrashing around violently in the back seat when he shot him in the knee. The Zodiac Killer must have known that a knee shot was not a terminal injury, knew that there was a strong possibility that Michael Mageau was still alive when he left the parking lot at Blue Rock Springs, knew that Michael Mageau had the ability to have seen his vehicle for at least two minutes, knew there was a possibility his 9 shots were heard in the vicinity of Blue Rock Springs, and understood that the crime scene may have been discovered fairly quickly,
Understanding all this and knowing the make and color of his vehicle could be all over the Vallejo airwaves fairly quickly, is it reasonable to conclude he drove around Vallejo for approximately 40 minutes, before parking his vehicle adjacent to a payphone, only 830 meters from the Vallejo Police Department? He also leaned into the Corvair to target Michael Mageau in the back seat, leaving two spent casings on the rear floorboard of the vehicle, which had the potential to transfer blood to his shirt from the passenger seat.
Taking all these circumstances into account, it is far more reasonable to conclude he drove home, concealed his vehicle, ditched the smoking gun, changed his clothes, and then headed to the payphone on foot to make the call. This would explain why the phone call to Nancy Slover was logged at 12:40am, when the journey time to the payphone from the murder scene was only 9 minutes. If the Zodiac Killer had made these obvious assumptions described above, it would have been reckless to have been driving around or parked up on the streets of Vallejo for approximately 40 minutes after the attack. He would have been right to conclude this, because a limited description of him and his vehicle was given to officers by Michael Mageau at the crime scene, who broadcasted this information over the airwaves. But the Zodiac Killer couldn't have been sure how limited this description would be. He knew his face was shielded by the glare of the flashlight, but his vehicle was afforded no such protection.

We know that after the payphone call was traced, a responding officer was sent from Blue Rock Springs to the payphone to secure it for fingerprint testing, so it is logical to conclude that this is where the Zodiac saw police talking to the black man. If so, then the Zodiac Killer stil had eyes on that payphone at least 10 minutes after his call to Nancy Slover. Because if the payphone call was traced as early as 12:41am, it would have taken the responding officer from Blue Rock Springs about 9 minutes to reach that payphone, at approximately 12:50am. The longer the trace took, the longer the Zodiac Killer was hanging around the vicinity of that payphone. If the phone call was traced at 12:47am, the responding officer would arrive at the payphone at about 12:56am.
The police may have suspected that a payphone call at 12:40am from Sptings & Tuolumne, when its journey time from the crime scene was only 9 minutes, opened up the possibility the Zodiac Killer could have lived nearby. The Zodiac Killer must also have realized this possibility, so he attributed the presence of his vehicle to the negro male, who Zodiac claimed saw it while walking by the payphone at 12:40am, and who at 12:50am (or later), Zodiac claimed he believed, had given the color of his vehicle to the police. By adding in the color of his vehicle as brown into his August 4th 1969 letter, the Zodiac can mischievously corroborate the testimony of Mageau, when in fact, it was an ermine white Chevrolet Impala. Even if the police were not told by the negro male he had noticed the vehicle of the man in the payphone, the accuracy of the negro male's description by Zodiac (if true), would have added validity to the Zodiac Killer's claims his vehicle was present. Another reason why the Zodiac had to ensure his description of the black male was accurate, was because if this information couldn't be verified, the rest of his story loses validity. The Zodiac Killer, in his August 4th 1969 letter, was effectively telling police he was still present near that payphone when they responded to it. He was nearby, and had hung around the area after ending the call with Nancy Slover. By claiming he was still in his vehicle during and after the payphone call, he was suggesting to the police that he had the capability to travel anywhere. But everything described above, should tell you that this may very well have been a lie. His vehicle was never at that payphone (and it wasn't brown) - and the real negro male was the conduit for this deception.

At Presidio Heights three similar descriptions of the Zodiac Killer's clothing were given by three sets of eyewitness in a six minute window, during the time the killer left the taxicab and entered the Presidio park. But their description of his age were extremely significant. The teenagers described a man in his early forties. Officer Donald Fouke described a man between 35 and 45. The sighting of a man running into Julius Kahn playground was given an estimation of about forty. Bearing in mind the small window of time that these three descriptions were given, they have to be considered as the likeliest age of our killer. Coalescing the arguments above for Lake Herman Road, Blue Rock Springs and Presidio Heights, there is a reasonable argument to be had, that we should prioritize our search for a man aged about 40, who drove a white 1959 or 1960 Chevrolet Impala, who lived within a one mile radius of the Springs & Tuolumne payphone in Vallejo. Such a record search in 1969 may have had a fighting chance of identifying the Zodiac Killer. But was it done?
RAY GRANT'S ROAMING CHEVROLET IMPALA
THE CONNELLY AND GASSER SIGHTING OF THE CHEVROLET IMPALA WAS 9PM
CONNELLY AND GASSER NEVER SAW WESNER
WAS THE HELEN AXE SIGHTING WRONG?