Transcript for Man Dressed as Spider-Man Helps Catch Suspected Shoplifter

Fire. It's the day after the day most people Wear a costume. But for mark silly oh this is his usual attire. I'm Toronto Spider-Man I've been working in the core downtown Toronto the last four years as a Oscar history former. The super heroes to resilient needed a side job which brought him to this costume store on young street and yesterday on the store's busiest day. Studio spotty census started tingling oddly enough on how mean the one day when there's the most Spiderman or not just me. Is that day actually wind up time cell phone video shows that Leo in full costume helping to take down an alleged shoplifter. She was very swarming. Some wiggle her way outcome I was working on the sidewalk I never want to become involved in these types of things I don't want to lose my boss license I'm not trained. To handle someone wall there Hoss file or needing to be held down store staff say the woman actually purchased a costume but grab something else when she was leaving the store security tried to apprehend -- but when she broke free. That's when Spider-Man jumped in the store's manager says he was both impressed and entertained. It's by the c'mon it's a great thing Peter Parker and helping out a security guard at that moment it was great as for silly oh he hopes his first real crime fighting experience will also be his last. Great power comes great responsibility. It is my responsibility. To encourage the fact yes there are. Places street performers around often and superhero costume but no we do not often intervene.

This transcript has been automatically generated and may not be 100% accurate.