Detectives

Chief County Detective: Ronald Zona
Past departments: Pennsylvania State Police
Vice President and immediate past President of FOP Lodge 62

Detective William Brown
Years with Detective Bureau: 35
Past departments: Irwin Police, Manor Police, Penn Borough Police, Youngwood Police Department
Handles: General investigations

Detective Tony Marcocci
Years with the Detective Bureau: 43
Previous departments: 2 years with Allegheny County Crime Lab; 2 years with the FBI as a fingerprint examiner
Handles: General investigations

Detective John Mandarino
Years with Detective Bureau: 4
Previous departments: Chief of Monessen Police
Handles: General investigations; specializes in crimes against children.

Detective Jenna Derco
Years with Detective Bureau: 8 months
Previous Departments: Westmoreland County Park Police
Handles: General investigations; county liaison for school districts

Detective Jason Napier
Years with the Detective Bureau: 3
Previous departments: Lower Burrell Police
Handles: General investigations

Detective Ray Dupilka
Years with Detective Bureau: 12
Previous departments: Latrobe Police
Handles: General investigations 

Detective Nicholas S. Caesar
Years with Detective Bureau: 5
Previous Departments: Department of Public Safety, Westmoreland County Park Police, Delmont Police, Irwin Police, Southwest Greensburg Police
Handles: General investigations; detective assigned to the STOP Grant Program (Stop Violence Against Women)/domestic violence cases 

Detective Rick Kranitz
Years with Detective Bureau: 34
Handles: General investigations

Detective John Clark
Years with the Detective Bureau: 23
Previous departments: Arnold Police, Previous Northern Field Supervisor for AG Drug Task Force
Handles: General investigation including violent/drug investigations, instructor at IUP Police Academy

Detective James Williams
Years with Detective Bureau: 20
Previous departments: Greensburg Police, first federal task force for USPS credit card fraud
Handles: General investigations; county jail crimes

Forensic Detective Kasey Gizler
Years with Detective Bureau: 5
Past departments: Council Bluffs Police Department Crime Lab
Handles: Crime scene analysis; board member, certified crime scene analyst through International Association for Identification

Forensic Detective Todd Roach
Years with Detective Bureau: 8
Previous departments: Allegheny Township Police
Handles: Crime scene investigation expert

Forensic Detective John Swartz
Years with Detective Bureau: 3
Previous departments: Pennsylvania State Police
Handles: Firearms investigation and latent prints

Forensic Detective Steven Grabiak
Years with Detective Bureau: 4 months
Past Departments: South Greensburg Police, Westmoreland County Park Police, Coroner’s Office
Handles: Crime scene analysis