(The Center Square) – Butler County, Pa., District Attorney Richard Goldinger confirmed that the shooter in the assassination attempt of former President Donald Trump was killed, one spectator was killed, and a second bystander was in serious condition after the attack at Trump’s campaign rally in Pennsylvania. Goldinger said the shooter was outside the rally grounds and he wasn’t sure if authorities knew the identity of the shooter. “Quite frankly, we don’t know how he got to the location,” Goldinger said. “That is something we are going to have to figure out, how he got there.” Goldinger sai…