Dec. 4 (UPI) -- The FBI has arrested a suspect in the Jan. 6, 2021, pipe bombing attempts at the Democratic and Republican national committee headquarters, sources have said. But an arrest was made Thursday morning, CNN , CBS News and NBC News reported. No details have been released from the FBI, but there will be a press conference Thursday to announce the arrest, an FBI official has told NBC News. The case has baffled law enforcement for nearly five years, as the grainy surveillance video