Officials at the Laredo-Colombia Solidarity Bridge found 1,935 bricks of the drug, for a total weighing three-quarters of a ton.
The North Carolina congressman blamed “the left and the media” for accurately reporting his comments on a right-wing YouTube channel last week.
Authorities in Buenos Aires are considering if the drug was intentionally adulterated as part of a settling of scores between traffickers.
Critics have long said laws with harsher punishment for crack cocaine possession than for powder cocaine unduly target Americans of color.
Drug smugglers will try just about anything, said Cincinnati's port director.
Officers seized 13 tons of the drug worth $350 million dollars in a series of operations in the eastern Pacific.
In a heart-pounding video, a U.S. Coast Guard service member busted a speeding semi-submersible boat carrying cocaine.
A service member jumped onto the speeding, semi-submerged vessel in the heart-pounding clip.
More than 35,000 pounds of cocaine was found during a raid of the MSC Gayane in Philadelphia, authorities said.
U.S. officials said the haul could have been worth more than $1 billion on the street.