Thursday 8 January 2009

case study

CASE STUDEY

The story of 19-year-old murderer Brian Blackwell, whose confidence, charm and intelligence masked a serious underlying personality disorder which caused him to be obsessed with fantasies of power and brilliance. He took out credit cards in his father's name, and when his parents quizzed him about how much he spent on his lavish lifestyle, Blackwell savagely stabbed and beat them to death before treating his girlfriend to a luxury holiday the following day as if nothing had happened.

THAT IS A REAL STORY...

weppons he used to kill a beat:

he used a 7inch knife to stab them

and used a wooden chair leg to beat them with

It happen most of the time when children dont get there own way (not killed but beaten up by them)






chromatograghy

chromatograghy

chromatography is a collective name for a family of laboratary techniques for the separation of mixtures.it involves passing a mixture disolved in a "mobile phase"through a stationary phase, which separates the analyt to be measured from other molecules in the mixture and allows it to be isolated.


dna fingerprints

dna fingerprints


dna fingerprints are used in crimanal investigations such as

-murder scenes
-robberies

AND THERE ARE MANY MORE

heres a fact about dna fingerprints:
over one million people genetic dna fingerprints have been added yo the polices database in only ten months

also ones dna fingerprints are never the same everybody has there own pattern.

blood types

BLOOD TYPES
csi investigation people take blood samples from the victom yo see how the victom died most of all to see if it was a natural death or a murder there are many reasons why people take blood types for e.g.
-babies getting swopt (in hospital)
-to see if you have a infection (very bad illness)
AND THERE IS MANY MORE.....

Tuesday 16 December 2008

fingerprints


fingerprints

fingerprintes are used on csi and no ones finger prints are ever the same. fingerprints are in a circular motcion if some one does a crime they will get found out by their finger prints on:knifes, windows, door handles, tables ect..