You are a computer forensics investigator in local law enforcement and have been assigned to a criminal investigation. The suspect, Michael Murphy, worked as the director of product development for a computer software company. He was questioned about a number of expensive international telephone calls. Further inspection of his telephone records revealed that he had been calling a software development competitor based in China with offices here in the United States. When confronted, he stated that he would need to consult with his lawyer and had no further comment. He did not show up for work the next day. The local authorities were contacted the following day. Murphy was caught trying to board a one-way flight to Beijing two days after being questioned about his contact with a competitor. At the airport, TSA officials discovered a bag filled with CDs, three SATA hard drives, and five USB thumb drives.
Detail the types of digital evidence you will need for this investigation.