Cyber sleuths need which of the following skills?

a. Ability to do complex programming, so they can develop their own software to examine corporate data and records

b. Ability to follow a trail, think analytically, and be thorough

c. Ability to use their computer engineering experience to evaluate the hardware used by the company

d. Ability to think like a fraud perpetrator and use hacking tools and techniques

e. Ability to use their legal training to properly prepare the evidence needed to prosecute perpetrators