PSYCH 3CC3 Study Guide - Final Guide: Offender Profiling, 40 Minutes, Polygraph
22 Apr 2019
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What proportion of forensic evidence collected is analyzed? about 50% Bullet comparisons, 1959: average % match for bullets fired from the same gun 38% for lead and 24% for metal bullets: bullets fired from different guns15-20% matching lines per land or groove mark. Hair analysis - tribble - 1978 hair analysis couldn"t tell difference between human and dog hair. Tribble and innocent man was convicted of murder served 28 years! He was sentenced after only 40 minutes of jury deliberation. Many years later he was exonerated: 2000: over 95% of the cases involving hair evidence that the fbi has reviewed far contained flawed testimony - 257 out of 268 cases. 32 of these cases involved inmates on death row. 14 cases the inmate had already been executed or died in prison. 1842 - edgar allen poe - the murders in the rue morgue, feature auguste dupin- 1st fictional detective story, 1st profiling.
