(CNN) -- Colombia's attorney general removed and disqualified Sen. Piedad Cordoba from the Congress for 18 years for having "promoted and collaborated" with the FARC guerrillas, the attorney general's office said in a statement.
Attorney General Alejandro Ordonez Maldonado made the announcement Monday.
Cordoba is a controversial political figure in Colombia.
She heads Colombians for Peace, a group trying to end to the decades-old war between the government and the Revolutionary Armed Forces of Colombia, known as the FARC.
Cordoba has had a hand in freeing prisoners held by the FARC, including two soldiers released in March, one of them who was a captive of the rebels for 12 years.
Cordoba has had a hand in the release of at least 19 hostages.
The high-profile releases have earned Cordoba praise and a rumors of being a candidate for the Nobel Peace Prize. Critics say that her ties to the FARC are too close for comfort, however.
Ordonez said that the investigation against Cordoba originated from computers seized in a 2008 operation against a top FARC leader, Raul Reyes. Reyes was killed in a Colombian military raid.
CNN
