This book deals specifically with the need for covert and non-destructive entry for Law Enforcement. Whether serving specialty warrants or simply needing to make covert access this book covers it all. Entry size-up techniques, bypass techniques, lock bumping, lock picking, wired and wireless alarm systems, CCTV systems and how they work, system jamming, electronic access control systems, and much more. Designed for and dedicated to our brothers in blue and written from a common sense point of view, this book is a must for SWAT, entry specialists, and other members of Law Enforcement who require covert and subversive methods of entry to keep the bad guys separated from the good guys.