The scheme typically involved a purported aide to Le Drian making contact with the mark to set up a Skype video call with the minister himself to discuss an issue of urgent priority that required the utmost discretion: raising funds to secure the release of French citizens being held by terrorists.
France, as a matter of policy, does not pay ransoms to free its citizens and the scammers claimed that in order to keep the payments quiet, the money must be sent to bank accounts in Hong Kong.
Some of those who were contacted in the swindle told a French documentary series that the Skype calls were made to be short, with a poor Internet connection being blamed for the brevity. The room was poorly lit and the Le Drian imposter was kept a good distance from the camera.
"Everything about the story is exceptional," said Delphine Meillet, a lawyer for Le Drian told the BBC. "They dared to take on the identity of a serving French minister. Then they called up CEOs and heads of government round the world and asked for vast amounts of money. The nerve of it!"
According to Meillet, a Turkish businessman accounted for half of the $90 million stolen while the Aga Khan was taken for more than $20 million.
But for all the attention to detail, the trickery partly fell apart over a simple social nuance.
During one of the calls from the bogus Le Drian with Senegal President Macky Sall, the imposter addressed Sall with the formal "vous." In fact, the two know each other well and the real Le Drian would have used the more informal and familiar "tu" with Sall, the BBC reported.
The suspects arrested in Israel have denied involvement in the scam and are awaiting trial in Israel. But the case has once again focused attention on Chikli, who shot to fame in 2015 when he was convicted in France for impersonating bank CEOs to steal some $9 million from 33 institutions. He is currently in prison in France after being extradited from the Ukraine in 2017. He had hid in Israel following his 2015 indictment.
Chikli's exploits as the "Fake Chairman" inspired a poorly reviewed film called "Thank You For Calling" and he appeared to relish his notoriety while on the run, posting videos taunting French authorities online.
Whether he is linked to the Le Drian deception remains unclear, but investigators are looking into whether he masterminded the plan and recruited a crew to carry it out even after his apprehension.
According to the BBC, Chikli had tried to impersonate Le Drian by drafting up a contract in the minister's name to trick the Tunisian government to pay millions for Tiger helicopters they never actually ordered.