Patent ID: 8892120

Claim:
A crime investigation method comprising: receiving information regarding a commission of a crime at a time period of interest and at a geographic location of interest; after the receiving and using wireless communications analysis equipment of a mobile vehicle, measuring cellular signals in a geographic area which includes the geographic location of interest during the time period of interest; as a result of the measuring, generating measurement data which is indicative of a parameter of the cellular signals in the geographic area; using the measurement data, calculating a footprint map which identifies one of a plurality of communications sources which a mobile communications device is most likely to communicate with when the mobile communications device is located at a plurality of geographic locations within the geographic area during the time period of interest; accessing cellular communications records which are indicative of communications of the mobile communications device via the cellular signals in the geographic area during the time period of interest; and using the cellular communications records and the footprint map, providing information regarding the crime including a presence of the mobile communications device within the geographic area during the time period of interest.