This document discusses Crime Prevention Through Environmental Design (CPTED) and how design can help reduce crime. It covers the evolution of CPTED since the 1970s and key events like school shootings that have shaped its use. The core elements of CPTED are discussed, including infrastructure, staffing, policies, and site analysis. Infrastructure elements that enhance safety through design are covered in depth, such as controlled access points, fencing, landscaping, and passive and electronic surveillance systems. The presentation concludes with a question and answer section.