A police officer is a __1__emplyee of a police service. Among the responsibilities of a police officer are to __2__public order, __3___ and detect crime and __4___ offenders, using force when necessary. Police officers can be trained in an enormous number of __5____ such as __6___ response, hostage ___7___. royalty or diplomatic protection, surveillance, counter-__8____, child protection, internet-based sexual offences, major criminal __9____ such as fraud, rape, murder, people or drugs __10____ and so on.