> The issuing was detected almost immediacy thanks to CT

Which means that the risk to you or I or the general public is low.

But FWIW: it also tends to argue that this is the aftermath of a coordinated, targeted attack against a single high value target (or at most a small set of targets they could hit within the window). The attacker knew they had a gun with only one bullet, and we're just hearing the muzzle report.