This document provides guidance on collecting and preserving high-tech evidence in criminal cases. It discusses identifying different types of computer-related evidence, such as hard drives, disks, and memory cards. Guidelines are given for photographing the evidence, sketching the layout, disconnecting computers safely, and transporting items securely. Maintaining a clear chain of custody for all evidence is emphasized, from seizure through presentation in court. The document also outlines proper storage conditions to prevent evidence degradation.