The U.S. State Department revoked the visas of members of a Mexican band after they projected the face of a drug cartel boss onto a large screen during a performance at a music festival in the western state of Jalisco over the weekend.

When a group of citizens searching for missing relatives in the western state of Jalisco arrived at a remote ranch outside Mexico’s second-largest city last week on an anonymous tip, all they had to do was push open the unlocked gate.