A programmer from Belgium, a mathematician from Australia, and a cryptologist from the United States cracked the code just last weekend.
ABC7 I-Team reporter Dan Noyes spoke with members of that international team.
According to code breaker David Oranchak, the cipher attributed to the killer says, “I hope you are having lots of fun in trying to catch me. … I am not afraid of the gas chamber because it will send me to paradise all the sooner because I now have enough slaves to work for me.”
In a statement to ABC7 News on Friday, the FBI confirmed they were aware the cipher had been solved by “private citizens.”
The agency said the case remains an “ongoing investigation.”
“The Zodiac Killer terrorized multiple communities across Northern California and even though decades have gone by, we continue to seek justice for the victims of these brutal crimes. Due to the ongoing nature of the investigation, and out of respect for the victims and their families, we will not be providing further comment at this time,” the FBI said.
FROM THE ARCHIVE: A look back at Zodiac Killer investigation that impacted Bay Area
According to Oranchak, the 340 cipher also includes the phrase, “that wasn’t me on the TV show,” a reference to a person claiming to be the killer calling into ABC7’s “A.M. San Francisco” program in October 1969.
In December 1968, the Zodiac Killer killed two teenagers on Lake Herman Road in Benicia. A couple was later shot in July 1969 while parked at Blue Rock Springs Park in Vallejo. One of the victims died.
In September of that same year, a masked suspect stabbed two people at Lake Berryessa, killing one of them.
In October 1969, a San Francisco cab driver was shot and killed.
The Zodiac Killer’s identity has remained a mystery for decades. Investigators had hoped a cipher would reveal the killer’s name, but that is not the case in the 340.
You can watch a video in which Oranchak explains how they cracked the cipher here.
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