A major crime occurred at approximately 10:15 P. M. Shortly thereafter, a certain make and model car, along with its license plate number, were recorded by a witness who reportedly had seen the car speeding in the vicinity of the crime scene. Police and forensic scientists immediately went to the home of the person to whom the car was registered, where they found the car parked in the driveway. The investigation team noted that it had taken them 30 minutes to travel to the suspect's home from the crime scene. They also noted that the engine of the car was still warm when they arived at 11:00 P. M. When confronted, the suspect claimed to have been at a friend's house earlier that night and had returned home at about 10:00 P. M. The suspect's friend confirmed the alibi, and reported calling the suspect at home at about 10:00 P. M., and having a conversation with the suspect until about 10:20 P. M. What information can investigators use to help prove or disprove the suspect's ?