It was a drug-trafficking tunnel found on August 13, 2018.
Sniffer dogs reacted to his vehicle and officers soon found 168kg of narcotics inside two toolboxes - worth £1million.
Authorities found 168 kilograms of drugs inside the toolboxes.
Homeland Security agent Scott Brown says the tunnel was used to smuggle more than 140 kilograms of illegal drugs across the border. The 3 kilograms of fentanyl alone translates to over 3 million dosage units, according to police.
Yuma Sector Border Patrol and Homeland security say they found a cross-border tunnel near Yuma.
"Tunnels present an elusive and risky threat to our country", Yuma Sector Chief Patrol Agent Porvaznik said.
Authorities subsequently obtained search warrants for Mr. Garcia's property, including an abandoned KFC restaurant almost within earshot of San Luis Rio Colorado, Mexico, where inside law enforcement found a almost 600-foot-long tunnel located beneath a concrete slab in the building's former kitchen, Mr.
Aretha Franklin: an intense, personal voice
Her last public performance came last November at Sir Elton's Aids Foundation's 25th anniversary gala in NY . The Queen of Soul , Aretha Franklin , has died at the age of 76, her publicist has confirmed.
The passageway was 22ft deep, 5ft tall and 3ft wide, and ended at a trap door under a bed in a home in Mexico, said U.S. officials.
Unfortunately, this isn't the first time that a drug trafficking tunnel has been constructed into the United States.
It's unclear how long the tunnel had been in operation.
The tunnel runs from a hole cut into the concrete floor of the kitchen of the old restaurant, located in San Luis.
Lopez was spotted taking packages out of the building several times before his arrest earlier this month, it was reported by the court papers. Court documents obtained by KGUN describe that they pulled him over for an unspecified equipment violation, but during the traffic stop a narcotics dog alerted them to the presence of drugs.
Agents who searched an old restaurant found a hidden tunnel that led to a house in Mexico and was large enough for people to freely walk through.
A tunnel that was used for drug smuggling between Mexico and Arizona was discovered last week and investigators gave new details about the case on Wednesday.