4 people charged after male with autism attacked with substance 'similar to bear spray' Hamilton police have arrested four people they say attacked an autistic male, who was sprayed with a substance "similar to bear spray." Social Sharing CBC News · Posted: Mar 11, 2021 3:44 PM ET | Last Updated: March 11 A video posted by Hamilton police showed the person getting tackled to the ground and being sprayed with an irritant.(CBC) Hamilton police have arrested four people they say attacked an autistic male, who was sprayed with a substance "similar to bear spray." On Thursday, Feb. 4, police were called to a shopping plaza at Upper Gage Avenue and Lincoln Alexander Parkway for an assault. The victim was walking alone, officers had said, when he was randomly attacked.