Robotics is already used to protect people in cities all around the United States. As robot technology continues to grow, patrolling human police officers could someday be a thing of the past! Humanoid robots might be rolling around city streets or heading into dangerous situations in place of police officers. From surveillance cameras to bomb disposal, the incredible robots already used in law enforcement will engage and surprise readers. The main text explains the real-life technology used today, and full-color photographs enhance the science and engineering content.