A record-breaking fentanyl bust for U.S. Customs and Border Patrol in Arizona.
Agents seizing nearly 254 pounds of the deadly synthetic opioid January 26.
The drug reportedly found hidden inside a tractor-trailer carrying a load of Mexican produce.
Agents also seizing an additional 2.3-pounds of fentanyl pills along with a large cache of methamphetamines.
The driver of the truck is now in police custody.
CBP says the bust is the biggest ever for the agency.