This article indicates it may be possible — but the structure of our government and the society it serves (and is shaped by) seem to make it unlikely that the ideas of threat assessment will ever be widely expanded or integrated beyond a very high or very low level.
Federalism, multiple jurisdictions, and pathological aversion to spending money are one set of barriers; worry over how a national threat assessment regime could (and therefore would) be abused is another barrier, both rightfully and paranoically so.
Everything We Think We Know About Mass Shooters Is Wrong
Are we helpless to stop mass shootings? Is anyone even trying to stop them? The good news is that the answers are No and Yes. The bad news: The person loading up hasn’t gotten the news.