 Under the banner of the M-19 Democratic Alliance, a political party spin-off of the former armed group, she was elected to Congress, first as Representative of the Chamber, and then as Senator of Colombia.In the Colombian presidential election of 2002 she ran as Vice Presidential candidate for Luis Eduardo Garzón in the Social and Political Front ticket.She has worked as a diplomatic attachée on human rights with the Embassy of Colombia in Spain, Director of the NGO "Observatorio para la Paz" (1998–1999), professor and editor, and peace advocate.