The Strategic Services Bureau of PSD is currently composed of two major areas: the Physical Security Unit (PSU) and the Technical Services Unit (TSU).

The Physical Security Branch is assigned a portfolio of agencies and buildings to perform facility and operational security assessments, management, maintenance and installation of electronic security systems. The Branch evaluates the need for appropriate physical security measures by evaluating the effectiveness of existing physical security systems and providing recommendations for improvement.  

The Branch also monitors and maintains the District's x-ray machines and magnetometers deployed throughout various District properties.

Deputy Chief Heath Scott has worked in the field of law enforcement and private security for over 13 years.  He has a vast knowledge of design in physical and electronic security systems, systems analysis, force protection, operations, and maintenance.  He has worked for military, federal, and commercial clients on projects ranging from physical to electronic security needs in locations around the world.  Deputy Chief Scott has also spent time as a Deputy Sheriff and a Police Officer.  He has a Masters degree in Criminal Justice from Boston University and has several private security, law enforcement, and homeland security training certifications, including four board certifications (CPP, PSP, CHS-III, and CIPM).