Mass killings in U.S. fall to nearly two-decade low: database

Mass killings in the U.S. so far this year have dropped to their lowest level since researchers began tracking mass homicides in 2006.

The big picture: This decline tracks with a broader cooling of violent crime across the U.S. following pandemic-era spikes, though criminologists suggest the drop may simply mark a return to historic averages.

Experts also note mass-killing numbers can swing sharply year to year because the totals are small...