Scarsdale Police Department Sections

The Village of Scarsdale Police Department consists of 45 full time Police Officers, 9 civilian employees and 14 School Crossing Guards. The Police Department is divided into three sections, each dealing with specific functions within the department.

Murphy Bio Picture

Police Captain 

Captain Edward Murphy is second in command of the Department. The Captain oversees all divisions within the Department and is in charge in the absence of the Chief of Police.  Captain Murphy started his career with the Mount Vernon PD in 1990 before joining the SPD. He is a graduate of the 249th session of the FBI National Academy and the LEEDS Program at Princeton University. He has served as an FTO, Patrol and Special Operations Sergeant, Patrol Section Commander and Investigations Section Commander.   

Det. Lt. Kellaher

Investigations & Support Services Sections  

Detective Lieutenant Kellaher began his law enforcement career with the NYPD in 2004.  He joined the Scarsdale Police Department in 2006 and has since served as a patrol officer, detective and patrol sergeant.  Detective Lieutenant Kellaher was selected as the Investigations and Support Services Section Commander in 2019.  He is responsible for all investigations within the department which include criminal, recruit background, juvenile and older adult components.  In addition to his responsibilities in the Investigations Section Detective Lieutenant Kellaher is responsible for the Support Services Section, which maintains the department’s State and National Accreditation programs.  He also oversees the scheduling and training components of the department and works with additional personnel to meet these goals.  Det. Lieutenant Kellaher holds a Bachelor of Arts degree in Spanish from the Franciscan University of Steubenville.  


Grgas Bio Picture

Patrol Section       


Lieutenant Grgas began his law enforcement career with the NYPD in 1998.  He joined the Scarsdale Police Department in 2002, and has since served as a patrol officer, field training officer, Post-4 bike officer, defensive tactics Instructor and patrol sergeant.  Lieutenant Grgas was appointed as the Patrol Section Commander in March of 2019.  His responsibilities include crime prevention and the protection of life and property.  He accomplishes these tasks through the efforts of the patrol sergeants and patrol officers. 

In addition, his section oversees the department's Traffic Unit, Special Operations Unit, Animal Control, Dispatch, School Guards and Police Aides.