Casework Flashcards
Order of examination notes (7)
Description, condition, damage, hairs & fibres, debris recovery, body fluids, DNA recovery
What colour is blood, saliva and semen in notes?
Blood - Red
Saliva - Blue
Semen - Purple
What shape does blood always travel as?
Sphere
3 body fluid detection methods
Visual, microscopic and chemical
2 presumptive tests for blood
Kastle Meyer test (km)
Leucomalachite Green (lmg)
What can be used to find hidden blood?
Luminol
3 blood tests
Spot test
Screening test
Direct test
What 3 documents cannot be taken to court?
Emails
Forensic report
SFR
What MG is an SFR
MG22 (a)
What is an SFR?
Revised case management procedure for producing forensic evidence in court
What MG will a police officer fill out?
MG21
What 2 categories can trace evidence be separated into?
Particulates and non particulates
What is the quality management system?
Compromises the quality, administration and technical systems that govern the operations of a laboratory
UKAS number for Laboratories
17025
UKAS number for crime
17020
Who made the codes of practice and conduct?
Forensic science regulator
When to use aluminium fingerprint powder?
Smooth surfaces; glass or surfaces which are not silver or dark
When to use black magnetic powder?
Smooth u-pvc or textured surfaces which are not black
When to use black granular powder?
Smooth, silver metal
When to use magneta flake?
Smooth or textured surfaces as long as it is dark or similar coloured
When to use white magnetic powder?
Dark textured surfaces
What brush do you apply granular powders with?
Animal hair brush
Which fingerprint powder cannot be lifted?
Granular powders
What to use Ninhydrin on?
Paper
What to use superglue treatment on?
Non porous surfaces
Non porous fingerprint techniques
Sudan black (solvent black 3)
Small particle reagent (spr)
Gentian violet
Porous fingerprint techniques
Ninhydrin
Diazafluoren (DFO)
Physics developer (PD)
What surface to use vacuum metal deposition on?
Non porous surfaces
What did the AFR turn into?
NAFIS - National automated fingerprint identification system
What are the 3 main fingerprint patterns?
Loops, whorls and arches
What are the 3 types of loop patterns?
Plain, converging and nutant
What are the 2 types of arches?
Plain and tented
What are the 5 types of whorls?
Spiral, twinned loop, lateral pocket, composite and accidental
What is a ridge ending?
The ending of a ridge
What is bifurcation?
When a ridge splits in two
What is a lake?
A gap in the ridges