FSC239Y5 Lecture Notes - Scientific Working Group
Document Summary
Collection: photography, fingerprint tape, dental stone lift: (the knaap process, dental stone casts (soil and snow, sulfur casts (snow, electrostatic lift gel lifters. Benefits- investigative aid: type of shoe, pattern design, number of suspects, connections to other crime scenes, sequence of events- directionality, corroborative versions of events. Sqgtread (scientific working group on shoe and tire tread evidence) An impression, which for all practical purposes, has the dimensions of length and width but not a significant depth. General or class characteristics: tread pattern, manufacturer"s logo, foot pattern and size, wear pattern, defects indicative of the manufacturing process. The result when something is randomly added to or taken away from the original structure of the shoe or tire that ether causes or contributes to making the shoe or tire unique. September 24th 2013: cuts, ship, tears, foreign material or objects, physical shapes, spatial relations.