325 Hudson Street
New York, 12520
911 for Emergencies
Chief Dixon began his Law Enforcement career in 1988 serving with the City of Mt. Vernon, N.Y. Police Department where he was assigned to the Patrol Division. Chief Dixon subsequently began working for the Village of Tarrytown, N.Y. Police Department where he was assigned to the Patrol Division. During his time with the Tarrytown Police Department Chief Dixon received numerous awards/ citations for his work in both Drug & Weapons Interdiction and DWI Enforcement efforts. While with the Tarrytown Police Department Chief Dixon worked in the following capacities: Department Field Training Officer, Crime Prevention Officer, he was also the Department Liaison to local groups such as the Seniors Association, Tenants Association and the Boy Scout/Cub Scouts. Chief Dixon also established a local Neighborhood Watch Program. In 2002, Chief Dixon began working for the Town of Cornwall, N.Y. Police Department and was subsequently promoted to the rank of Sergeant serving as second in charge of the Department. While employed as a Sergeant with the Town of Cornwall, N.Y. Police Department Chief Dixon was responsible for handling Criminal Investigations, Department Training, Scheduling, Assignments and Supervision of Personnel. Chief Dixon also attended several F.B.I. Training Courses including, F.B.I. Criminal Investigation School, F.B.I. Crime Scene School and F.B.I. Defensive Tactics Instructor School. Chief Dixon graduated from the Westchester County Police Academy, Valhalla, N.Y., Rockland Community College, Suffern, N.Y. and Kings College, Wilkes-Barre, Pa, majoring in Criminal Justice. In December, 2011, Chief Dixon was hired by the Village of Cornwall-on-Hudson, N.Y. Police Department as a Patrol Sergeant and subsequently in March, 2012, became Chief of Police with the Department.
PO John Antinori: Officer Antinori began his career in law enforcement back in 1984 with the Town of Cornwall P.D., transferring to the Cornwall-on-Hudson P.D. in 1998. He is currently employed as a teacher in the Newburgh Enlarged City School District. PO Antinori earned a Bachelors degree from S.U.N.Y New Paltz and a masters degree in education from N.Y.U.. He has certifications in Community Oriented Policing and Juvenile Custody as well as a certification as a Master SCUBA diver. PO Antinori also holds a Merchant Marine Document as a licensed Captain.
PO Seth Armstrong: Officer Armstrong started his police career in the Village of Fishkill in 2003, transferring to the Cornwall-on-Hudson P.D. in 2004. He is currently employed full-time by Rockland County BOCES as a Health and Safety Tech and instructor and he is the former Chief of the Fort Montgomery Fire Department. PO Armstrong earned his Bachelors degree in Arson Investigation from the University of New Haven in 1999, he is a Certified First Responder and he is a DOT certified Bus Accident Investigator.
PO Stephen Berean: P.O. Berean started his Police Career in 1987 working for the U.S. Mint Department of Treasury as a Police Officer. P.O. Berean was subsequently appointed to the Town of New Windsor, N.Y. Police Department as a Police Officer having worked for their Agency for over 20 years. Officer Berean has attended training in Radar operation, DMT/ Datamaster breath test operation, DWI Detection, Standardized Field Sobriety Testing and Fraudulent Document Training. P.O. Berean graduated from the Rockland County Police Academy, Pomona, N.Y. and received his Bachelors Degree in Police Science from Marist College, Poughkeepsie, N.Y. Officer Berean has been employed with the Village of Cornwall-On-Hudson, N.Y. Police Department since April, 2012.
PO Theo Dawydko: Officer Dawydko was hired as a Full-Time Police Officer with the Cornwall-on-Hudson Police Department in November, 2016. P.O. Dawydko previously worked for the Orange County Sheriff’s and the Town of Blooming Grove Police Department. Officer Dawydko is a NYS Certified General Topics Police Instructor, a NYS Certified Field Training Officer and a NYS Certified School Resource Officer.
PO Hal Desjardines: PO Desjardines joined the Cornwall-on-Hudson Police Department in August, 2014. Officer Desjadines graduated from Washingtonville, N.Y. High School as well as the Ulster County Law Enforcement Police Academy. PO Desjardines previously worked as a Police Dispatcher with the Village of Greenwood Lake, N.Y., Police Department and currently is a Part- Time Police Officer with the Village of Washingtonville, N.Y., Police Department for the past two- years. P.O. Desjardines is also a Volunteer Fireman with the Salisbury Mills, N.Y., Fire Department. Officer Desjardines has received training as a Radar/ Lidar Operator, Water Rescue Responder and “TASER” operator training.
PO James Lynch: Officer Lynch was hired by the Village of Cornwall-on-Hudson Police Department in March, 2021. Officer Lynch is also employed as a Police Officer with the Village of Montgomery, N.Y., Police Department and previously worked as a Police Dispatcher with the Town of Montgomery, N.Y., Police Department. Officer Lynch attended Orange County Community College as well as completed his formal police training and certification at the Ulster County, N.Y., Police Academy.
PO Thomas Moran: PO Moran has been a member of the Cornwall on Hudson P.D. on and off since 1978, recently returning in 2010 for his third term. During those years, he has worked full-time for the Department of Environmental Conservation (1988 through 2001) and the Westchester County District Attorney’s office as a Criminal Investigator (2001 through 2010). PO Moran is an FBI certified firearms instructor and he was awarded the Orange County Chiefs of Police “Officer of the Year” in 1994 for saving the life of a 15-year old stabbing victim here in Cornwall-on-Hudson.
PO John Pena: Officer Pena began his career as a part-time officer with the Cornwall-on-Hudson P.D. back in 2001. In 2005, he was hired full-time by the City of Newburgh and in 2007, he transferred back to the Cornwall-on-Hudson P.D., now as a full-time officer. PO Pena completed the Advanced Narcotics Training Course offered by H.I.D.T.A. and he is certified in OC Spray, ASP Baton, and TASER. Officer Pena is a NYS certified Field Training Officer being responsible to train newly hired police officers.
Detective Arthur Terwilliger: Detective Arthur Terwilliger has been employed with the Cornwall-on-Hudson Police Department since 2000 where he first worked as a part-time patrol officer, Detective Terwilliger was subsequently appointed as a full-time patrol officer with the Cornwall-on-Hudson Police Department in February, 2001. Detective Terwilliger was previously assigned as a patrol officer with the Cornwall-on-Hudson Police Department from 2000 until October, 2017 when he was then appointed Detective. Detective Terwilliger attended the Orange County Police Academy and has training and experience in Crime Scene/ Evidence Collection, Interview and Interrogation, Fraudulent Documents and is a certified Bicycle Patrol Officer. Detective Terwilliger is also employed as a part-time patrol officer with the Town of Marlborough, N.Y., Police Department serving there since 1999 to the present date.