![Tagging by the Bonde dos 40 (Streetcar of the 40, B40) gang at the entrance of the Liberdade neighborhood in São Luis to mark its territory.](/sites/default/files/multimedia_images_2017/2015ame_brazil_prisons_reblur_12.jpg)
Tagging by the Bonde dos 40 (Streetcar of the 40, B40) gang at the entrance of the Liberdade neighborhood in São Luis to mark its territory.
© 2015 Human Rights Watch
Tagging by the Bonde dos 40 (Streetcar of the 40, B40) gang at the entrance of the Liberdade neighborhood in São Luis to mark its territory.