Overview

• A 15-year-old boy is accused of fatally stabbing his 56-year-old grandmother, Concetta Chendemi, and injuring his 36-year-old mother, Vanessa Chendemi, at their home in Selden, Long Island.
• The incident occurred around 9:45 p.m. on Monday night at their residence on Old Town Road, prompting a rapid law enforcement response.
• The suspect fled the scene but was apprehended by police at 11:22 p.m. near Dare Road and Buckskin Lane, less than half a mile from the home.
• Vanessa Chendemi, who escaped the house after being stabbed, flagged down a passing motorist for help and was transported to a hospital in stable condition.
• The teen faces charges of second-degree murder and attempted murder and will be arraigned at First District Court in Central Islip on Tuesday.