A man shot and killed a coworker before killing himself last week at the apartment building where they worked in Arlington Heights, Illinois, police said.
Around 4:30 p.m. Friday, police responded to a 911 call of two men found unconscious in the utility room of an apartment building in the 1500 block of East Central Road.
Arlington Heights police said the two victims, who were both maintenance workers in the building, had been shot and were pronounced dead at the scene…