36.This may be applicable to a crime scene which is approximately circular or oval. The searchers gather at the center and proceed outward along radii or spokes.A. strip methodB. wheel methodC. spiral methodD. zone method37.The area to be searched is divided into quadrants and each searcher is assigned to one quadrant.38.The searchers follow each other in the path of a crime scene beginning in the outside and circling around a central point.39.A kind of gathering information whereby a subject is being followed.40.Another term for tailing.A.ImpersonatingB.BackingC.SupportingD.Shadowing
41.A person who gives necessary information to the investigator. He may give the information openly and even offer to be a witness or he may inform the investigator surreptitiously and request to remain anonymous.42.The use of an equipment or tool to listen and record discreetly conversations of other people.43.The questioning of persons not suspected of being involved in a crime,but who knows about the crime or individuals involved in it.44.An objective of criminal investigation.A. determine the motiveB. identify criminalsC. rehabilitate criminalsD. prevent crimes45.A term used to describe a transition which occur in the development of a fire, when, for example, most of all the combustible surfaces within a room are heated above their ignition temperature at the same time.
46.A term of the start of the combustion, its detailed process of a solid is very complicated, since the proportion of different flammable vapors varies from one material to another and contact with oxygen must take place before combustion can begin.47.The term describes the transfer of heat through a gas or vacuum in a similar way to that of light.48.The transfer of heat within a solid material from hotter to cooler parts.A. IgnitionB. ConvectionC. RadiationD. Conduction