: Before the discovery, Xavier sent letters to relatives claiming he was a secret agent for the US government and was moving the family to Florida under witness protection. Why the Search Continues

: Xavier was last seen on CCTV on April 15, 2011, in Roquebrune-sur-Argens , leaving a budget hotel on foot with a bag over his shoulder.

: Law enforcement has never officially linked this specific Snapchat handle to the fugitive.

: The Netflix series Unsolved Mysteries (Season 1, Episode 3) brought the case to a massive global audience, sparking a new wave of digital sleuthing.

: Like many high-profile "true crime" figures, the name has been used by internet trolls and "armchair detectives" to create fake accounts. Case Background

: On April 21, 2011, police discovered the remains of Agnès Dupont de Ligonnès and her children—Arthur, Thomas, Anne, and Benoît—along with the family’s two dogs.

: A man was wrongly arrested at Glasgow Airport after a false fingerprint match, briefly convincing the world Xavier had been found.

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