Computer forensics specialists examine computer media and data to gather evidence when crimes are committed. They must have knowledge of computer hardware, software, and the law. When investigating a case, they carefully retrieve files and data from suspects' computers while preserving the integrity of the evidence. The field is growing rapidly as more crimes are committed using computers and networks. Computer forensics specialists are employed in law enforcement, the private sector, and other areas. Extensive training and education are required for the role.