fluids + collected from? be transferred? for? involved?
trace STEPHEN LAWRENCE
evidence
Blood The floor, walls, Items ( clothing ) Placing the packaged swab into a tight-lock bag, sealed DNA, including blood type to CSI
victim’s body, clothing. with air dried blood and placed, labelled in the correct storage. (Small object ) find whether there data is in Forensic
need to be carefully Cover the stained area with paper and tape the paper to the police database for a scientist
packaged and sent the object to avoid contamination. match.
as soon as Cut out the stained area of the large object and pack it. Toxicology to see potential
possible, within 24 OR use fingerprint tape and lift the sample as well as the cause of death.
hours to a forensic surrounding control area.
laboratory for Take a picture of where evidence has been taken from in
analysis. the crime scene. (Bigger)
Semen Clothing and bedding, Allowed to dry on Placed in a polythene bag, again sealed and labelled. DNA for match for data Police
on victim if tested material Packaged separately. within the police system Surgeon
immediately Dried, placed in a CSI
paper bag, then Doctors -
sealed swabs
Hair Clothing, floor of crime Hair found on Sealed bags labelled as evidence and packaged in an DNA extracted cells in the CSI
scene. Victim’s hair clothing, wrapped evidence box for the case. Marked roots to identify suspects or Forensic
may be found on in paper and victims. scientist
suspects in assault submitted for the Tested for drug use
cases. lab for examination
Fibres Caught in torn Picked up with Wrapped in paper, put in envelope, sealed and marked Type/colour of garment or CSI
materials and on other gloved fingers and material Forensic
items in crime scene - tweezers Comparison with suspect scientist
floor, victims clothing clothing