Complex sentence: Military-Paramilitary Ties and U.S. Policy in Colombia 10 (Joanne Mariner & Malcolm Smart eds., 2001) Limitation on Assistance, Within Latin America, the Leahy Law has been most vigorously enforced in Colombia.
Split into simpler sentences: Military-Paramilitary Ties and U.S. Policy in Colombia 10 (Joanne Mariner & Malcolm Smart eds., 2001) Limitation on Assistance, ibid. The article states: Within Latin America, the Leahy Law has been most vigorously enforced in Colombia.