A woman wears a t-shirt bearing the portrait of slain Brazilian councilwoman Marielle Franco, during a mass celebration on the first anniversary of her death in Rio de Janeiro, Brazil on March 14, 2019. - Franco was a black gay rights activist who was an outspoken critic of police brutality and defender of the poor. A year after her murder shocked Brazil, two police officers were arrested in the case, but the motivation of the crime remains unknown. (Photo by CARL DE SOUZA / AFP)