Terms in this set (6)
, - collected from the crime scene involves bullets and shell casings.
CSI teams can place rods through bullet holes to work out the
trajectory a bullet has taken and in turn form a likely picture of
where the gun was when it was fired, the approximate size of the
person who shot the gun etc. This may also help the CSI team to
discover bullet casings in nearby walls etc.
- Bullets are s tored in bags and any bullet holes are
photographed. Ballistics expertsanalyse ballistic evidence.
Individual markings left on casings serve as a precise "signature"
which can help the forensic team to work out the type of weapon
that was used.
Physical Ballistics
- Markings are compared to those on a ballistics database which
can help the police to ascertain if the weapon has been used in
previous offences. In their analysis, the ballistics experts will
attempt to identify the serial number of the weapon and consult
the National Ballistics Intelligence Service (NABIS) to gain further
information about the weapon and assess the likelihood that it has
been used in other crimes.
- Any "hard" ballistics evidence will be s tored in an appropriate
container, labelled and stored securely.
- Any digital ballistics evidence will be stored on the secure police