How forensic linguists use grammar, syntax and vocabulary to help crack cold cases

Julia Webster Ayuso in The Dial:

On the evening of October 16, 1984, the body of four-year-old Grégory Villemin was pulled out of the Vologne river in Eastern France. The little boy had disappeared from the front garden of his home in Lépanges-sur-Vologne earlier that afternoon. His mother had searched desperately all over the small village, but nobody had seen him.

It quickly became clear that his death wasn’t a tragic accident. The boy’s hands and feet had been tied with string, and the family had received several threatening letters and voicemails before he disappeared. The following day, another letter was sent to the boy’s father, Jean-Marie Villemin. “I hope you will die of grief, boss,” it read in messy, joined-up handwriting. “Your money will not bring your son back. This is my revenge, you bastard.”

It was the beginning of what would become France’s best-known unsolved murder case. The case has been reopened several times, and multiple suspects have been arrested. Grégory’s mother, Christine, was charged with the crime and briefly jailed but later acquitted. Jean-Marie also served prison time after he shot dead his cousin Bernard Laroche, who had emerged as a prime suspect. The investigating judge, Jean-Michel Lambert, who was assigned the case at age 32 and made critical mistakes early in the investigation, killed himself in 2017.

More here.

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