Griselda Blanco was a high-profile trafficker in Colombia and the United States . Hide Caption She is believed to have been living a quiet life in Medellin . She was gunned down Monday .
Griselda Blanco was a high-profile trafficker in Colombia and the United States . She was released from a U.S. prison in 2004 . She is believed to have been living a quiet life in Medellin . She was gunned down Monday .