Diaz v. United States
Diaz v. United States  
Podcast: U.S. Supreme Court Oral Arguments
Published On: Tue Mar 19 2024
Description: A case in which the Court held that in a prosecution for drug trafficking—where an element of the offense is that the defendant knew she was carrying illegal drugs—Federal Rule of Evidence 704(b) permits a governmental expert witness to testify that most couriers know they are carrying drugs and that drug-trafficking organizations do not entrust large quantities of drugs to unknowing transporters.