And first hand experience (in French, from a French Prisoner)
<a href="https://nantes.indymedia.org/posts/87395/une-lettre-divan-enferme-a-la-prison-de-villepinte-perquisitions-et-disques-durs-dechiffres/" rel="nofollow">https://nantes.indymedia.org/posts/87395/une-lettre-divan-en...</a>