Detective Bureau


The Fair Lawn Police Detective Bureau is comprised of 12 Detectives.  The “Bureau” as it is known with the Department is responsible for investigating a wide range of issues within the Borough of Fair Lawn.  Detectives assigned to the Bureau investigate all crimes reported to the department.  Some of the more common type of crimes our Detectives investigate our Thefts, Burglaries, Robberies, Fraud, Narcotics, Sexual Assaults, and Juvenile Investigations.  Some of the other functions the Bureau is responsible for is conducting background investigations for police applicants, firearm purchase permits, and conducting Internal Affairs Investigations. To file an internal affairs complaint, call Det/Captain Patterson at 201-703-4264 or email him at

  • To see the 2020 Fair Lawn Police Department Annual Internal Affairs report, click here.
  • To read the FLPD drug testing policy in accordance with Attorney General Directives, click here.
  • The FLPD 2020 Annual Drug Testing results report is available to read here.
  • The FLPD Early Warning Intervention Policy is available to read by clicking here
  • FLPD Annual Major Discipline Reporting Form available here

The Detective Bureau is also responsible for mandated yearly department wide training, and is in charge of the School Resource Officers. 


The Detective Bureau is commanded by Det/Captain Ronald Patterson and consists of the following personnel:


Det. Captain Ronald Patterson Detective Bureau Commander / Training Coordinator / Class III Officer Liaison / Internal Affairs  201-703-4264
Det. Lieutenant Timothy O’Shaughnessy Detective Bureau Supervisor / Internal Affairs 201-564-6165
Det. Sergeant Joseph Mecionis Training Sergeant / Bergen County Rapid Deployment Force 201-564-7165
Det. Sergeant Nicholas Snyder Detective Bureau Supervisor / Internal Affairs 201-794-5410
Det. Eric Eleshewich Juvenile Detective 201-794-5412
Det. Mark Wyka Theft/Burglary Detective 201-564-6162
Det. Anthony Lugo Training Officer 201-564-6166
Det. Brian Rypkema Fraud Detective 201-564-6167
Det. Brian Simpson Evidence/Firearms 201-794-5415
Det. Stephen Cannici IT Administrator 201-794-5414
PO Sean Nagle Fair Lawn High School SRO 201-794-5450 ext.1013
Det. Christopher O'Shaughnessy Narcotics Detective 201-564-6172
Det. Geovanny Buitron Narcotics Detective 201-564-6108