Palatine, Oct. 15 -- Police in Palatine Illinois working in coordination with the Mount Prospect Police Department, arrested a 19-year-old man following an investigation into threats involving a potential mass shooting at a Hindu Temple.

On October 11, the Palatine Police Department was contacted by the Mount Prospect Police Department regarding information it had received about a potential mass shooting. The information originated from an individual who reported receiving concerning electronic communications from Alexandros Paporakis.

According to investigators, Paporakis had shared a document outlining an alleged plan to carry out a mass shooting at the Hindu Temple. He also shared images depicting a rifle, rifle magazines, body armor...