WEST ORANGE, NJ — The death of Sarah Butler, whose body was located in the area of Eagle Rock Reservation in West Orange on Thursday after being missing for more than a week, was determined to be a homicide by the New Jersey Regional Medical Examiner’s Office, according to Acting Essex County Prosecutor Carolyn Murray and Montclair Police Chief Todd Conforti.

Essex County Sheriff Armando Fontoura’s Crime Stoppers Program is offering a reward of up to $10,000 for information leading to an arrest and conviction in the murder of Butler.

Anyone with information is urged to contact the Essex County Prosecutor’s Office Homicide/Major Crimes Task Force tips line at 1-877-TIPS-4EC or 1-877-847-7432.

The investigation is active and ongoing and no other information is available at this time.