After the massive wave of releases during the first lockdown, the prison population has nonetheless started to rise again. There are now 62,673 prisoners in French prisons, 4,000 more than six months ago. Today, almost 700 prisoners are sleeping on the floor. Prison overcrowding, level of suicide in prison among the highest in Europe, one year ago, on January 30, 2020, the European Court of Human Rights, in a historic decision, condemned France by loudly denouncing the indignity of its prisons. How does one live today behind bars? How to prevent the risk of recidivism?