Better Abundance Than Need

S3 E1: What a horrific end for Joachim Brisset, poisoned with strychnine. The young man wasn't even supposed to be in the area anymore, making his death that much harder to understand. According to the official story, he had just got a job in Cuba. So what was he still doing in Sète? And why did he lie to his family? Could it have something to do with the strange “freegan” community squatting the run-down building where Joachim had been staying?