Sébastien R., 38, navigated the encrypted application Signal with five different accounts, juggling phones and 4G keys obtained clandestinely behind bars. To complete his concealment, the man associated his accounts with Algerian, Moroccan telephone numbers or that of his partner with whom he had a child within the walls of Beaumettes.

The investigation into a vast crime house, responsible for at least one assassination and numerous murder plans, led to the iReporter’s arrest.