education in English grammar.
The priority is often found in the very beginning. Here it is "our newly elected president Donald Trump." This is where our author began suggesting not only priority but motive. (we also know that no theft took place).
Notice that there is no actual (Statement Analysis) threat. We find that in anonymous threatening letters where a threat is conditional, it is very unlikely to be a genuine threat.
Notice in the threat, not only is it conditional upon some not leaving, but it has the false urgency of "starting now."
Those who threaten based upon condition often get a sense that they recognize the lack of urgency, so artificially add some element of time ("soon" "shortly" "starting now", etc).
Congratulations to Charlotte Mecklenburg police for arresting