HERRIMAN (ABC4 News)-Herriman police are working to identify the man behind a Spider-Man mask.
They say the man walked into the Salt City Sweet Shop located at 5100 West 13400 South around 5 p.m. Halloween day.
He was dressed from head to toe in a Spider-Man costume, but investigators say the clerk was able to see a black shirt with writing on it.
The suspect pulled out a gun and taser and robbed the store, officials said.
Police believe he is a white male between the 18 to 30 years old.
Anyone with information is asked to call the Herriman Police Department (801)840-4000.