Forensic and Investigative Science FIS 20500 Lecture Notes - Lecture 2: Forensic Pathology, Type I And Type Ii Errors, Excessive Bail Clause
25 Aug 2016
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Federal rules of evidence 1st in effect 1975. Have to defend themselves and their qualifications. Testimony can be credible but a lie & vice versa. C: passes constitutional restraints, doesn"t violate other laws. Info you heard from someone else; can"t cross exam. 6th: speedy & public trial, trial by jury. 8th: no cruel or unusual, & no excessive bail. Control: procedures & standards out in place by the lab. Ex: standard op procedures for all equipment. Assurance: processes to evaluate a lab & employees. No mandatory qa or qc in crime labs. Most directors of labs are cops w/ no science background. Cops want to get the bad guy; not the labs concern. Senior agents giving testimonies for tests that someone else ran. Demonstrative: things like graphs or pictures used to explain physical evidence. Real (created b/c of a crime) vs. demonstrative (explains evidence) Class (group of similar things) vs. indiv. (unique, group of 1)
