 this as president biden urges congress to close loopholes he says are allowing illegal fentanyl to be smuggled into the u.s the detect and defeat proposal would increase the ability for law enforcement and intelligence agencies to seize illicit drugs and hold traffickers accountable the white house says the legislative proposal would provide more funding and tools for agencies to better track and target the millions of small dollar shipments crossing borders every day a loophole the administration says drug traffickers exploit