The term 'BEAT WALKERS' refers to people who patrol an area on foot, such as POLICE officers, security guards, or other law enforcement personnel. The crossword solutions for this term are COPS (4 letters), POLICE (6 letters), and SENTRIES (8 letters). COPS are a common term for POLICE officers, while POLICE is the more formal term. SENTRIES are guards or watchmen who are posted to keep watch over a certain area. All three of these terms refer to people who are responsible for patrolling an area on foot.