Your points about our current condition are well made and I agree. I do not want to live in a police state.
At the same time, the warning signs around this young man were flashing brightly, from multiple sources. This investigation could have been run by a couple of normal citizens with better results.
In kleg lights the “tells” we’re everywhere and for years leading up to this. Many saw danger— even the victims who went to school with him in past years.
Our laws provide very little until the suspect acts out enough to warrant charges and arrests, sadly.