A French police officer assigned to investigate the assassin contract after receiving Demir's severed thumb. Initially collaborates with Joona Ilyich, but later allies with Morgan to dismantle Vos's operation. He helps trap Vos, is shot by Falk during Sophie's rescue, but survives to aid Morgan's final confrontation.
Vos and Leon are professional partners investigating the assassin contract.
Leon assists in rescuing Sophie from Falk's kidnapping trap.
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