Shia LaBeouf, who was recently arrested for public intoxication in Texas, abused a cop and threatened him.
Police reported that the 29-year-old claimed that he was a member of the National Guard, and said "do whatever the f**k you gotta do!" TMZ reported.
The actor, who was in Austin to attend a music festival, ran down 6th Street and jaywalked in front of police.
LaBeouf was handcuffed and placed under arrest for public intoxication.