Suspect and Victim Processing Flashcards
Outline the order of examination
Least intrusive to most intrusive or destructive
Photographs and noted observations
GSR, hair, debris, trace collection
Clothing collection
DNA collection
What should be considered before processing begins?
Consider the type of evidence you are looking for and evidentiary value in what is being obtained
Location for processing
Do suspect and victim live together?
Where could processing take place?
Hospital, police station, home
True or false: You do not need to walk a victim/suspect through what you are doing and why.
False
What type of information should you make victims/suspects aware of during processing?
Who will see the photos?
What is the evidence going to be used for?
What is the general rule for processing victims, suspects, and scenes?
Have separate investigative teams deal with eacj
What type of things should be considered when deciding what to collect or examine?
Type of weapon (if any)?
Was there direct contact?
Time since event? (GSR)
Are suspect(s) cooperative?
Is a warrant required?
What are the four general rules for GSR collection?
Suspects should not wash their hands
Suspect’s clothing should be collected afterwards and tested
GSR has a short window in which it needs to be collected
Tech should wear gloves
What is contained in a GSR kit?
4 vials with adhesive tabs that indicate the area of the hand to apply the adhesive tab
Where are GSR samples sent?
CFS
What is the general set up for suspect photography?
Stand suspect in front of a plain background about 2 ft away from the wall to avoid shadows
Flash should be used off camera
Outline the order of suspect photographs.
- Overall - portrait
- Midrange/close up (shoulders and up) - portrait
- Quarter turn (suspect’s left profile, repeat steps 1-2)
- Quarter turn 2 (suspect facing wall, repeat 1-2)
- Quarter turn 3 (right profile, repeat 1-2)
- Suspect seated, photo of front and back of hands
- Overall-midrange-close ups with and without a scale of any injuries
- Overall-midrange-close ups with and without a scale of any scars and tattoos
What is collected in a buccal sample?
Epithelial cells within the mouth
Outline the steps of a buccal sample.
Request suspect to rinse mouth
Gloves and mask to be worn by tech and anyone else present during collection
Swab the inside of the cheek up and down ten times
Repeat with second swab on other cheek
Outline the process of obtaining DNA with a DNA warrant.
Blood sample from the index finger typically
Trained personnel to perform this only
Warrant/rights read to suspect
Always recorded
Gloves and mask worn by tech and anyone else present
Lancet used to prick the finger and blood droplets collected on a collection card