In hindsight, Mr. Ziraoui realized he had been a little tactless, brazenly bursting into a tight-knit community with what he presented as definitive solutions.
“He came in and told them ‘end of the game’,” said Youssef Ziraoui, his brother and a journalist in Morocco.
and the San Francisco Police Department, to which Mr. Ziraoui sent his findings, declined to comment, citing the ongoing investigation.
Mr. Ziraoui initially thought code solving would be a fun activity during the coronavirus lockdown.
At the time, he knew nothing about the Zodiac killer, who was suspected of five murders in the late 1960s but who himself boasted of 37 killings.
Ziraoui, ”, Youssef Ziraoui
San Francisco Police Department, École Polytechnique, HEC Paris
Morocco, “, France