Former President Donald Trump was the target of an assassination attempt at a Pennsylvania rally Saturday that set off panic as a bloodied Trump was surrounded by Secret Service and hurried into his vehicle.A former fire chief attending the rally with family was killed, as was the gunman. Two other people were critically wounded.An AP analysis of more than a dozen videos and photos from the scene of the Trump rally in Butler, Pennsylvania, as well as satellite imagery of the site, shows the shooter was able to get astonishingly close to the stage where the former president was speaking.Here’s what’s known so far about the timeline of the shooting:6:02 p.m. ETTrump takes the stage to the strains of “God Bless the U.S.A.” He waves at the cheering crowd and begins his regular rally speech, with spectators both in front of him and behind him on risers.Around 6:10 p.m.— After …