Harlingen police arrested a man after they found 19.1 pounds of heroin inside his vehicle.
Police said Jorge Valenzuela Saldana was stopped on the 2600 block of South Expressway 77 for failing to use a turn signal.
During the traffic stop, officers saw several laptop bags that were empty but felt heavy.
Once they cut a laptop bag open, officer discovered the narcotics.
Saldana was taken to the Harlingen City Jail.
The Matamoros resident was charged with possession of a controlled substance.
The heroin had an estimated street value of over $1 million.