The North Plainfield Police Department is a state-accredited, full-service law enforcement agency that protects the lives, individual rights and property of the residents of North Plainfield, N.J. It maintains an investigation division that undertakes cases related to rape, robbery, homicide, burglary, sexual offenses and missing persons. The North Plainfield Police Department also operates a patrol division that patrols for suspicious activities or persons, as well as provides services for traffic law enforcement and traffic crash investigations. It also responds to radio calls and answers telephone calls for service. In addition, the department undertakes cases related to concealed weapon permits, bicycle registration, cyber crime, and child and senior citizens abuse.