Crime scene is any location associated with a committed crime. Initial responders secure scene and document initial observations. Scene must be protected from contamination and tampering. Chain of custody documents who has handled evidence
Crime scene is any place where criminal activity occurred. Primary scenes are original locations, secondary scenes are subsequent ones. Physical evidence is most reliable, linking victim to suspect. Product rule calculates probability of independent events occurring together
Police respond to crime calls and may arrest suspects on scene. They collect evidence and conduct site investigation. Police must follow Fourth Amendment search and seizure rules
Fingerprint powders are sensitive, non-clumping and moisture-free. Various brushes provide homogeneous fingerprint development. Ceramic ink pads offer easy-to-clean fingerprint and palm print comparison