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INDIANAPOLIS, Ind. — Federal investigators search the home of an Indianapolis man accused of shooting at a VA hospital in Chicago this week.

On Monday, 40-year-old Bernard Harvey, a convicted felon from Indianapolis, was accused of illegally bringing a semi-automatic rifle into the Jesse Brown VA Medical Center. He was charged with one count of illegal possession of a firearm by a convicted felon.

Police say Harvey fired nine times inside and outside the hospital on Chicago’s west side before being subdued without hurting anyone.

A spokesperson with the FBI confirms federal agents did serve a search warrant at the suspect’s apartment near Rural and Hanna on the south side of Indianapolis.

CBS4 has also confirmed the gun used to fire the shots at the Chicago VA was stolen from a store in New Whiteland on Saturday, July 27, 2019.

As previously reported, surveillance video captured the break-in and theft of 33 guns at Element Armament at 400 Tracy Road, just off U.S. 31.

The owner of the store confirmed to CBS4 that the serial number of the gun used in the Chicago hospital shooting matches one that was stolen from his store.

CBS4 spoke with the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) out of Columbus. They could not speak to this case directly, but said all firearms stolen from stores are entered into a stolen firearms database that law enforcement all across the nation can use.

“If someone is willing to use violence to break into a licensed gun dealer store, they don’t have any good purposes for that gun,” said Suzanne Dabkowski with the Columbus ATF.

It’s not clear how the stolen gun made its way from the burglary in New Whiteland to Harvey.

CBS4 reported on July 31, 2019 that four teenagers were arrested as persons of interest in the New Whiteland gun store burglary.

Federal agents won’t say what — if anything — they recovered during a search of Harvey’s apartment, but police reports show twice in the last year IMPD officers were called to Harvey’s home and forced to detain the 40-year-old for showing signs of mental illness. Most recently in April, Harvey allegedly threatened to shoot police and others.

Harvey appeared in federal court on Tuesday and now faces one count of illegal possession of a firearm by a convicted felon.

The shooting is being investigated as a federal case because the hospital is a federal facility.