[Cletus.D.Yokel]

:: and yet too many of these shootings seem to have at least one commonality ::

You are missing the obvious.
They have all taken place AFTER Jan 20.

4283, in part:
When does your enemy expend ammunition?
Do you expend ammunition against a weak opponent?
Do you expend ammunition against a non_threat?

Did the DS get a reload?
Why use it now?

[MileHi]

Definitely ramped up lately.