Police seized 13 assault rifles and a weapon capable of piercing armored vehicles
The incident occurred on the third floor of the Berrien County Courthouse in St. Joseph, 100 miles northeast of Chicago.
Different criminal organizations faced each other.
At least five attackers entered the hospital to rescue a 28-year-old suspect.
He was killed by at least two attackers.
Agents of the Office of the Attorney General of Mexico City were on the case and faced police officers.
Two people were arrested.
According to reports, a Navy officer was also wounded.
The shooting developed for three hours.
He was arrested after a shootout in Querétaro