Sound: http://audiojungle.net/item/the-perfect-crime/9935895?WT.oss_phrase=crime&WT.oss_rank=5&WT.z_author=Damnwell&WT.ac=search_list Police Tape or Law Enforcement Tape – this type of barrier tape is used to isolate, protect and preserve a crime scene. Police tape is used to notify the public that an investigation is on going and that a particular area is restricted. This is usually seen with yellow-white color combination or in blue and white