Long-running drama with the protagonist Olivia Benson, for short

SVU

This popular crime series shares its initials with a type of vehicle.

This clue refers to "Law & Order: Special Victims Unit," a long-running TV drama where Olivia Benson is the main character. The abbreviation "SVU" stands for "Special Victims Unit," which is commonly used as shorthand for the show. The phrase "for short" hints that the answer is an abbreviation rather than the full title.