One factor is the subsiding of the crack-cocaine epidemic that hit Washington hard in the late 1980s and early 1990s.
Has the subsiding of the 1990s crime wave changed - not only the quantity of gun incidents - but also the character?
Bill feels a sensation like “subsiding into a pile of bones.”
A good many fell, subsiding peacefully, and lying quite still.
The war had periods of flare-up and periods in which it seemed to be subsiding.
"I—I killed him," breathed Mabel, subsiding with a deep, satisfied sigh.
The pan was subsiding from the incline of a sea to the level of the trough.
She could not speak quite yet, but her sobs were subsiding under his soothing.
She and d'Alcacer up there seemed to dominate the tumult which was now subsiding.
Some days later, when gossip on the subject was subsiding, a fresh scandal revived it.