Crime scene investigators (CSI)
● civilians employed by police
● Role- collect, preserve + protect scenes/locate E
● liaise police/respond calls (what E collected/best to)
● Gather biological+physical E-specialist techniques
● Photograph scenes/E/people
● Package/store/document material/E- essential E collected reliable/uncontaminated
● E handled incorrectly- risk not admissible in court (miscarriage of justice/no justice)
S:
● Crucial role (prove innocence/guilt)-cases couldn't stand court without them
● Low salary, lowers cost of investigation
● Highly trained professionals- unlikely for contamination
W:
● emotionally difficult (long hours, high pressures +violent crime scenes)
● Available out of hours-long shifts + long travel times
● Human error/contamination
Amanda Knox:
● Small Italian police force- didn’t specialise murder investigations
● ‘Series of glaring errors throughout investigation’
● Failed to wear correct protective equipment/wasn’t collected correctly
● vital bra clasp-floor for 3 months
● Lead cross contamination- doubts in validity (overturned)
Cost
● salary depends role/experience- starting £17,000, experienced £28,000, senior CSI
up to £35,000
● low salary for high responsibility+level expertise-explain shortage
● Lowers cost of investigation
Expertise
● Extensive training-handling E correctly
● Highly trained professionals- unlikely for contamination
● Role meticulous- 1 mistake,guilty person goes free
● Most degrees-science, crim/psych
● Educated+knowledgeable
● Different forces,different requirements to be CSI- inconsistencies in quality of work
across country
Availability
● Most forces employ 12 CSI
● 1,300 employed by Government
● Largest private provider-500
● Not many jobs in profession- role highly competitive to get into
● work efficiently/effectively-best in business
● Difficult to get one when needed ( long distance to reach scene)- lose E/ become
contaminated)