Rebels of the Revolutionary Armed Forces of Colombia, FARC, wave white peace flags during an act to commemorate the completion of their disarmament process in Buenavista, Colombia, Tuesday, June, 27, 2017. The United Nations says it has concluded the disarmament process for individual arms as part of a peace deal between Colombia's FARC rebels and the government. (AP Photo/Fernando Vergara)
Colombia's President Juan Manuel Santos,left, talks to with Rodrigo Londono, also known as Timoleon Jimenez or Timochenko, right, the top commander of the Revolutionary Armed Forces of Colombia, FARC, during an act to commemorate the completion of the disarmament process in Buenavista, Colombia, Tuesday, June, 27, 2017. The United Nations says it has concluded the disarmament process for individual arms as part of a peace deal between Colombia's FARC rebels and the government. (AP Photo/Fernando Vergara)
Jean Arnault, U.N. representative for the Colombian peace process, center, talks to Colombia's President Juan Manuel Santos, left, and Rodrigo Londono, also known as Timoleon Jimenez or Timochenko, the top commander of the Revolutionary Armed Forces of Colombia, FARC, during an act to commemorate the completion of the disarmament process of FARC rebels, in Buenavista, Colombia, Tuesday, June, 27, 2017. The United Nations says it has concluded the disarmament process for individual arms as part of a peace deal between Colombia's FARC rebels and the government. (AP Photo/Fernando Vergara)
Colombia's President Juan Manuel Santos, left, greets a rebel's baby during an act to commemorate the completion of the disarmament process of the Revolutionary Armed Forces of Colombia, FARC, in Buenavista, Colombia, Tuesday, June, 27, 2017. The United Nations says it has concluded the disarmament process for individual arms as part of a peace deal between FARC rebels and the government. (AP Photo/Fernando Vergara)
Colombia's President Juan Manuel Santos, front left, top commander of the Revolutionary Armed Forces of Colombia, FARC, Rodrigo Londono, also known as Timoleón Jiménez or Timochenko, front right, and Jean Arnault, U.N. representative for the Colombian peace process, center, watch the disarmament process on a television monitor during an act to commemorate the completion of the disarmament process, in Buenavista, Colombia, Tuesday, June, 27, 2017. The United Nations says it has concluded the disarmament process for individual arms as part of a peace deal between FARC rebels and the government. (AP Photo/Fernando Vergara)
Colombia's President Juan Manuel Santos, left, shakes hands with Rodrigo Londono, also known as Timochenko or Timoleón Jiménez, right, the top commander of the Revolutionary Armed Forces of Colombia, FARC, during an act to commemorate the completion of the disarmament process in Buenavista, Colombia, Tuesday, June, 27, 2017. The United Nations says it has concluded the disarmament process for individual arms as part of a peace deal between FARC rebels and the government. (AP Photo/Fernando Vergara)
A rebel of the Revolutionary Armed Forces of Colombia, FARC, stands guard at the Mariana Paez demobilization zone, one of many rural camps where rebel fighters are making their transition to civilian life, in Buenavista, in the municipality of Mesetas, Colombia, Monday, June 26, 2017. On Tuesday, Colombia's President Juan Manuel Santos and the FARC’s top commander Timochenko will meet here to commemorate the completion of the disarmament process. (AP Photo/Fernando Vergara)
Army soldiers arrive to guard the Mariana Paez demobilization zone, one of many rural camps where FARC rebel fighters are making their transition to civilian life, one day ahead of an event with President Juan Manuel Santos in Buenavista, Colombia, Monday, June 26, 2017. On Tuesday, Colombia's president will meet the FARC’s top commander Timochenko at this camp to commemorate the completion of the disarmament process. (AP Photo/Fernando Vergara)
A rooster stands under a sign that reads in Spanish; "Reception area" at entrance of the Mariana Paez demobilization zone, one of many rural camps where the Revolutionary Armed Forces of Colombia, FARC, are making their transition to civilian life, in Buenavista, in the municipality of Mesetas, Colombia, Monday, June 26, 2017. On Tuesday, Colombia's President Juan Manuel Santos and the FARC’s top commander Timochenko will meet here to commemorate the completion of the disarmament process. (AP Photo/Fernando Vergara)
A rebel of the Revolutionary Armed Forces of Colombia, FARC, stands guard at the Mariana Paez demobilization zone, one of many rural camps where rebel fighters are making their transition to civilian life, in Buenavista, Colombia, Monday, June 26, 2017. On Tuesday, Colombia's President Juan Manuel Santos and the FARC’s top commander Timochenko will meet here to commemorate the completion of the disarmament process. (AP Photo/Fernando Vergara)
FILE - In this Sept. 23, 2016 file photo, rebel leaders Rodrigo Londono, center, Ivan Marquez, right, and Pastor Alape, left, attend the closing event of the 10th conference of the Revolutionary Armed Forces of Colombia, FARC, in Yari Plains, Colombia. As Colombia’s leftist rebel movement begins making its transition to a political party, chief prosecutor Nestor Martinez rocked the nation on June 2017, by saying he has compiled evidence that the FARC is sitting on an illegal fortune worth hundreds of millions of dollars, a political war chest that outstrips the coffers of traditional parties. (AP Photo/Ricardo Mazalan, File)
Opponents to the peace deal signed between the Colombian government and rebels of the Revolutionary Armed Forces of Colombia, FARC, celebrate as they listen to the results of the referendum to decide whether or not to support a peace accord to in Bogota, Colombia, Sunday, Oct. 2, 2016. The peace deal was expected to end more than 5 decades of conflict between the FARC and the government. (AP Photo/Ariana Cubillos)
Diomedes holds the baby of a visiting relative of a fellow rebel of the Revolutionary Armed Forces of Colombia, FARC, in the Yari Plains, southern Colombia, Sunday, Sept. 25, 2016. President Juan Manuel Santos and FARC leader Rodrigo Londono, alias Timochenko, are expected to sign a peace accord to end more than five decades of conflict Sept. 26 in the Caribbean city of Cartagena. (AP Photo/Ricardo Mazalan)