The FBI is searching for a man who was caught on video firing a rifle on the Metra platform earlier this month.
At 10 a.m. on Dec. 1, the man was caught on video removing a “collapsible rifle” from a backpack on the Metra platform at McCormick Place and firing one shot.
There were no known injuries, authorities said.
The suspect is described as having a brown beard, close-cropped hair and a receding hairline, according to the FBI.

The surveillance video shows the man had a dark complexion, but it’s uncertain from the video what his race or ethnicity is. In the videos, the man is wearing a dark puffy coat with over a blue hooded sweatshirt and blue jeans and carrying a gray backpack. In one video, he’s seen running from what appears to be an overpass toward a camera, then seen walking down a station platform as a train leaves the station.
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After the train leaves the station, the man, who appears to be wearing headphones, stops at the foot of a stairway that leads up from the platform. He then takes the rifle out of the backpack and appears to check it before firing the shot.
Anyone with information is encouraged to contact the FBI at 1-800-CALL-FBI or Metra police at 312-322-2800.