Arreckx was jailed from August 1994 to May 1995 for involvement in the murder of politician Yann Piat. In 1997, he was found guilty of accepting bribes of 2 million Francs from a water company for the construction of the Maison des technologies de Toulon. During the trial, it was revealed that Arreckx owned a Swiss bank account named "Charlot" with 7 million Francs. He was fined 1 million Francs and sentenced to two years in jail. His four children were also convicted, but not jailed. Arreckx was released after one year, in 1998, due to health reasons. He wrote a book about his criminal convictions a year later.