The safest big city in America

The story line of murder in New York is one that has been undergoing constant revision since 1963, when the Police Department began tracking homicides in a way that officials now deem reliable. (Before then, homicides were not counted until they were solved.) There have been rises — the number peaked at 2,245 in 1990 — and subsequent falls. But there have never been as few homicides as this year.

The city is on track, for the second time in three years, to have the fewest homicides in a 12-month period since the current record keeping system began. As of Sunday, there had been 461; the record low was in 2007, when there were 496 for the entire year…

“All the experts said it couldn’t be done in a down economy,” Mayor Michael R. Bloomberg said Monday in a speech to a graduating Police Academy class.