The FBI has been notified about the dangers that certain people could pose at least five times in recent years, and those people went on to commit a mass shooting, or attempted to kill Trump. Here is a look at those incidents and what the FBI admitted to knowing before the events. The FBI has come under renewed heat after admitting it had been previously notified that the suspect in a second assassination attempt against former President Donald Trump illegally had a gun due to his status as a convicted felon. The missed opportunity involving Ryan Wesley Routh is not...