You would think that a Capitol Hill cop would be better than average. And his shooting might be average (it looked like slob shooting to me) but his decision to shoot was appalling.
I would think that a Capitol Hill cop would be worse than average - taking a more or less patronage position where almost nothing ever happens to avoid rough police work. Most of the ones I’ve seen (and that’s a lot) are in sufficiently worse shape than the average person that it stands out.