Two homicides occurred on the same day in Mount Vernon
Two murders occurred in Mount Vernon on the same day: a shooting close to the Bronx border and a deadly stabbing at a rooming house.
The Mount Vernon Police Department (MVPD) announced Saturday night that they made an arrest in connection with a fatal stabbing that occurred on Friday, November 21, 2025, at approximately 8:30 a.m. on the 100 block of Stevens Avenue.
Police officials tell Black Westchester they received a phone call reporting a menacing incident at the location. Upon arrival, officers encountered the suspect and located the 68-year-old male victim inside the residence, suffering from a stab wound. The victim was transported to Jacobi Medical Center in stable condition, where he later died from his injuries.
The suspect, Astillo Sylvain, 32, of Mount Vernon, who lived at the same location as the victim, was arrested by Patrol Officers while on scene. Following an investigation by the Detective Division, Sylvain was charged with Manslaughter in the First Degree. Sylvain was arraigned on Friday in City Court and ordered held without bail at the Westchester County jail, renamed Norwood E. Jackson Correctional Center after the first Black Commissioner of Corrections, shortly after he died in 1995. Sylvain is due back in court on Wednesday, November 26th.
The circumstances that led to the stabbing were not immediately known as of Saturday night. This remains an active investigation, and no further details will be released at this time
The city has provided very few details about the Friday night homicide, other than that they are actively investigating the killing that occurred in the area of Eastchester Lane and Mundy Lane, where one individual has been pronounced deceased.
Officers and detectives are currently processing an extensive crime scene spanning Eastchester Lane, South 9th Avenue, and South 11th Avenue. Residents in the surrounding neighborhood should expect a continued police presence as the investigation remains ongoing.
Anyone with additional information on either incident is encouraged to contact the Mount Vernon Police Department Detective Division at 914-665-2510. All calls will be kept confidential. Anonymous tips can also be sent through MVPD’s “Text-A-Tip” by texting MVPD and your tip to 847411.
