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French Passenger Charged After Alleged First‑Class Assault on ZurichMiami Flight

Prosecutors cite witness statements, passenger video, a post‑flight admission.

Overview

  • A 48-year-old French national, Guillaume Mattler, is accused of groping a sleeping 29-year-old woman in first class on Swiss flight LX64 to Miami on Tuesday, April 28.
  • Two nearby passengers reported the touching and one recorded videos, and a flight attendant said she saw his hand on the woman’s crotch over her jeans.
  • Cabin crew moved Mattler to another seat, and he later tried to hand the woman a handwritten note that said, “You look beautiful when you are sleeping.”
  • After landing, authorities say Mattler first denied any contact, then admitted touching her and said he “did not think it was such a big deal” and that he touched what he could reach across the armrest.
  • Mattler is charged in federal court in the Southern District of Florida, remains held at the Federal Detention Center in Miami, and has a pretrial detention hearing set for Monday.