Update - May 30, 2015 - Suffolk County Police today arrested a man in connection with the stabbing death of Trevor Bender on May 29, 2015. Homicide Squad detectives arrested Michael Dennis, 19, of Mastic and charged him with Manslaughter. Dennis is being held overnight at the Fifth Precinct and is scheduled to be arraigned at First District Court in Central Islip on May 31.

The original press release is below.

Mastic, NY - May 30, 2015 - Suffolk County Police Homicide Squad detectives are investigating an incident during which a teen was fatally stabbed in Mastic today.

Trevor Bender was a passenger in a car that was stuck in traffic on Mastic Road when he and the driver became involved in a verbal dispute with a group standing at the corner of Mastic Road and Moriches Avenue. Bender and the driver, 18, got out of the car and approached the group who were known to them at approximately 5:10 p.m. During the dispute, a male stabbed Bender in the chest. The suspect fled the scene on foot.

Bender, 17, of Mastic, was transported to Brookhaven Memorial Hospital Medical Center in East Patchogue where he was pronounced dead.

The investigation is continuing. Anyone with information about this incident is asked to call the Homicide Squad at 631-852-6392 or Crime Stoppers at 1-800-220-TIPS. All calls will be kept confidential.