Mexican national Oswaldo Lopez-Escobar, is facing charges of possession with intent to distribute cocaine after customs officers at the Mariposa Port of Entry in Nogales made a startling discovery.

The Customs and Border Protection says on Wednesday, Oct. 4, during a routine inspection of Lopez-Escobar’s semi-truck, officers found 155 packages of cocaine hidden in the trailer’s floor which equaled:

1294.11 pounds (587 kilograms) Estimated street value between $10.7 to $12.5 million.

On Thursday, Oct. 5, He was charged with possession with intent to distribute cocaine. If convicted, Lopez-Escobar faces life in prison, a mandatory minimum of 10 years, a $10 million fine and supervised release.