A look at acts of public violence in NYC over past 40 years

FILE - This undated file photo provided by the St. Charles County Department of Corrections in St. Charles, Mo., shows Sayfullo Saipov. Saipov, a New Jersey man allegedly drove a truck down a bicycle path along the Hudson River in Manhattan on Halloween, killing eight people and injuring numerous others. The shooting this week of 10 people by a man who deployed smoke grenades and fired at least 33 shots in a commuter-packed Brooklyn subway car was hardly the first time New Yorkers have grappled with an act of violence. (St. Charles County, Mo., Department of Corrections/KMOV via AP, File)

A look at acts of public violence in NYC over past 40 years