What led an FBI agent, or some other law enforcement official, to shoot and kill an unarmed man in Orlando, Florida? The man, Ibragim Todashev, was being questioned about the Boston bombing, as well as an unsolved 2011 triple murder that he may or may not have confessed to committing. Does that sound sketchy? Don't blame me. Once he died, law enforcement started releasing anonymous, conflicting explanations so dubious that they warrant an inquiry all by themselves. Did the dead man have a knife? A gun? A sword? None of those? Let's run through a timeline of what we've been...