Federal law enforcement officials are moving to work more closely with spying agencies to enforce President Donald Trump’s directives against drug traffickers.

Traditional law enforcement agencies need new guidance on how to use confidential informants in cartel investigations now that such groups are considered terrorist organizations, the Justice Department’s Office of the Inspector General said in a Wednesday audit. The office suggested helping the Drug Enforcement Administration, U.S. Marshals Service, and the Bureau of Alcohol, Tobacco, Firearms, and Explosives deal with the criminals in the realm of “foreign intelligence or foreign counterintelligence” efforts.