All things Florida Man

When directed to drop the hot dog, Stoll reportedly became “extremely upset” and threw the item--which is not a sandwich--at a uniformed patrolman.
wrong. it is a sandwich. even merriam-webster says so.

https://www.merriam-webster.com/words-at-play/to-chew-on-10-kinds-of-sandwiches
The word hot dog refers either to the sausage that you buy squeezed in a plastic package with 7 or so of its kind, or to the same sausage heated and served in a long split roll.

When it's served in the roll, it's also a sandwich.