An "Undercover Cop" is a law enforcement officer who disguises their identity to gather information about criminal activities. They often infiltrate criminal organizations or gangs to collect evidence, make arrests, and help prevent crime. This role requires extensive training in surveillance, communication, and sometimes even acting skills. Undercover operations can be dangerous, as these officers may face threats from criminals who are unaware of their true identity. The information gathered by undercover cops can lead to significant arrests and help dismantle illegal operations, contributing to public safety and the overall effectiveness of law enforcement agencies like the FBI or DEA.