Aurora police said at 1:06 p.m., they were called along with the fire department to the office of Illinois state Rep. Barbara Hernandez (D-Aurora) in the busy three-level office building at 1 E. Benton St. in downtown Aurora. An employee had reported feeling sick shortly after opening the mail.

The U.S. Postal Inspection Service is investigating a piece of mail sent to state Rep. Barbara Hernandez’s office in downtown Aurora after one of the office’s staff members, who opened

The employee, who asked to remain anonymous, said they noticed something was wrong after they were opening up letters they say were sent by prison inmates to the office of state Rep. Barbara Hernandez in Aurora.