It has been a trend in Latin America to see how terrorist groups have evolved into criminal groups involved in the cocaine trade. Revolutionary and leftist organizations have generated revenue from the cocaine trade when they have pursued ideological goals. Moreover, they ended up in the cocaine trade when they were defeated by the military or negotiated with the local governments. The groups in Colombia have followed suit. The Revolutionary Armed Forces of Colombia (Fuerzas Armadas Revolucionarias de Colombia or FARC) were involved in the cocaine trade long years and became one of the biggest suppliers of cocaine in the region. After the FARC ended due to negotiations, the group has created dissident groups that has followed the FARC’s ideology or become involved in the cocaine trade. This article analyzes revolutionary and paramilitary groups and how they evolve into cocaine groups. After examining the FARC’s negotiations with the government, it concentrates on the FARC dissident groups and discusses the likely results of successful talks with the ELN.