A law enforcement agency may securely transport an alien who the agency has received verification is unlawfully present in the United States. Cooperative Contracts.This is a high level list of Coop Contracts that is updated monthly. Through the 287(g) program, state and local law enforcement officers collaborate with the federal government to enforce federal immigration laws. We found that many FBI and HSI personnel lacked understanding of the other agency's mission, jurisdiction, and authorities. Many agents wrongly. Training Bureau ("AZ POST"). Carter, Ph.D. School of Criminal Justice,. Michigan State University. INTERPOL enables police in our 196 member countries to work together to fight international crime.