The United States, US, Federal Bureau of Investigation, FBI, has said it’s yet to establish the motive behind the assassination attempt on former President Donald Trump. FBI Special Agent in Charge of Pittsburgh field office, Kevin Rojek, said no specific threat was received ahead of the shooting. Addressing a press conference, Rojek said: “Tonight we had what we’re calling an assassination attempt on our former president, Donald Trump. “We do not currently have an identified motive.” The FBI was not prepared to release the identity of the shooter, who died at the scene. Asked if law enforceme…