These days, finding junk mail under your door can be a frightening experience in Colombia. So it was for Anderson Cardenas, 27, when he received a pamphlet with a silhouette of a machine gun and a man hovering over a sinister warning: “The hour of social cleansing has arrived. Don’t be one of those who fall in this social cleansing.” This wasn't the first such message. Cardenas, a high school teacher and human rights worker in Bogota’s southwest, had also received an e-mail (along with scores of other community organizers) containing identical text. Read more here. Semana International delivers news about Colombia in English. Find more in our home.