The NSA (probably) communicates it to the DEA’s Special Operations Division, which creates an entry in the DEA’s DICE database and tips off a DEA field office,

The NSA (probably) communicates it to the DEA’s Special Operations Division, which creates an entry in the DEA’s DICE database and tips off a DEA field office, which then asks local law enforcement to do a “random” stop and to use some Parallel Construction to keep it hush hush.