This assignment explores the concept of structural barriers within medium-security prisons, specifically Federal Correctional Institutions (FCIs). It delves into both active and passive barriers, discussing their implementation, advantages, and disadvantages. The analysis considers the role of physical security measures like razor wire, protective walls, CCTV, and electronic gates in maintaining order and preventing escapes. Furthermore, the assignment examines the effectiveness of passive barriers such as sight lighting, fire curtains, and doors within this context.