It's ironic that Republicans themselves would become the first with violent measures to stop Trump!The far right has been threatening their enemies since 2008 with Obama's election, and now are horrified that it has come to happen against their guy at the hands of a conservative registered Republican.
It's essential now that America must increase security to unheard of limits until the election at least.
And likely too that the need for a government agent with a machine gun on every street corner will be needed indefinitely, after the election.
An active coup attempt is still in progress.