crime test nov 9 Flashcards
some types of biological evidence
saliva, urine, blood, semen fluid, feces,fecal matter, vomitus
name presumptive test
bluestar
name blood types
A,AB,O
for every antigen there is a
antibody
what is CODIS
combined DNA index system
what is the menaing of CODIS
is a data base of DNA proflies
when collecting evidence what should you wear
gloves
when packing evidence with blood what else needs to be added
biohazard label
what should you not do at crime scene
smoke,drink, eat , liter
where should biological evidence be
stored frozen
what is BPA
blood pattern analysis
how do blood stains dry
inwards toward the center
blood comes at what angle
most likely 90 degrees
one method to see blood
string method
what are some types of impression evidence
footwear, bruises, teeth marks,tire, tools,fabric
how do you collect footwear impression evidence
create a damn then add in water to dental stone then lightly poor in dental stone to not damage footwear and wait for it to dry to collect
what is SICAR
shoe print image capture and retrieval
why is it important to get impression evidence fast
before gets stepped on or messed up or weather
what is a firearm
any device that expels a projectile or explosion proplet charge
what is a handgun
held and fired in ONE arm
what is an automatic firearm
will continue to fire many times all long as you press trigger
what is a rifle
held with TWO hands over the shoulder
rifling is made up of
lands and groves made in the bore
what is NIBIN
The National Integrated Ballistics Information
Network