The Brief Police said Alexandros Paporakis was living with his mother in Palatine and appears to have acted alone. Investigators have not confirmed whether Paporakis' rifle jammed outside the Aurora temple. Congressman Raja Krishnamoorthi said his family was at the temple Sunday and remained unaware of the alleged threat until police announced it. A Thursday morning press conference provided new details about what police say happened before a Palatine man allegedly targeted a Hindu place of worship in Aurora. New details in Aurora mass shooting plot What we know: Alexandros Paporakis, 19, was arrested Sunday and charged with making a terrorist threat and unlawfully possessing a rifle with a barrel shorter than 16 inches. Alexandros Paporakis | Palatine Police Department (Palatine Police Department) Police said Paporakis had been living with his mother in Palatine for about a year. Investigators questioned her, but said she is not cooperating with the investigation. Police said no consequences were known at the time for her refusal to cooperate. Police also said their investigation so far indicates Paporakis was acting alone. According to prosecutors, Paporakis worked at a Taco Bell in Arlington Heights, where a co-worker told investigators he regularly made racist comments, identified as a white supremacist and discussed Nazis and armed conflicts. The co-worker contacted police Sunday after Paporakis allegedly described plans to attack the largest Hindu temple in Aurora. Suspect seen outside temple Timeline: Police said investigators identified Paporakis' red Acura RDX entering the parking lot of a known Hindu temple in Aurora at about 12:25 p.m. Sunday. The vehicle left at about 12:38 p.m. and was seen returning to Palatine shortly before 2 p.m. Police said Paporakis was alone in the vehicle. Investigators said the video of the vehicle corroborated statements Paporakis allegedly made to his co-worker. Police did not comment further on Congressman Raja Krishnamoorthi's statement that he and his family were at the temple Sunday when Paporakis allegedly tried to carry out t #fox32chicago #crimewatchchicago