Technical surveillance plays an important role in evidence or intelligence gathering. The equipment used and described in this chapter in current and covers: video and audio monitoring, computer monitoring and technical counter surveillance. There is also a section detailing how to deploy covert cameras in rural areas.

• CCTV: cameras, recorders, monitors
• Rural rapid deployment systems
• Hard wired audio monitoring
• Radio transmitting devices
• Cellular network transmitters
• Telephone monitoring
• Computer & data monitoring
• Technical surveillance counter measures
• Counter surveillance equipment
• Legal issues