Tool Mark Evidence

Flashcards covering key terms and definitions related to Tool Mark Evidence in forensic investigations.

Tool Mark Evidence

Impressions left by tools that can provide valuable information in forensic investigations.

Compression Mark

An indentation left when a tool is pushed into a surface with force.

Striation Mark

A scratch left when a tool is scraped across a surface; analyzed under a microscope.

Class Evidence

Type of evidence that can be linked to a group but not to a single source.

Individual Evidence

Type of evidence that can be uniquely identified to a single source, such as unique marks from a specific tool.

Finding Tool Mark Evidence

Tool marks can be found on door frames, locks, and even human bones when tools are used as weapons.

Analyzing Compression Tool Marks

Analysts study the dimensions and depth of impressions to determine the type of tool used.

Collecting Tool Mark Evidence

Involves gathering items with tool marks, dusting for fingerprints, and looking for trace evidence.

Photography of Tool Marks

Overall photos establish location; close-ups show detail, taken with and without a scale.

Trace Evidence

Materials transferred from a tool to a marked surface, such as paint or fibers.