Computer forensics specialists analyze digital evidence from computers and networks. As technology advances and more crimes are committed using computers and the internet, the demand for these specialists will increase greatly. Specialists must have knowledge of computer hardware, software, operating systems, and the law. They carefully retrieve and examine files, data, and activity logs to gather evidence. A computer science degree plus additional training is typically required to become a specialist, and salaries range from $45,000 to over $125,000 depending on experience and certifications.