http://www.silicon.com/publicsector/0,3800010403,39169449,00.htm

Clothing recognition tech nabs armed robber


Case study: CCTV footage used to identify suspect

Tags: police <http://www.silicon.com/tags/police.htm> , crime
<http://www.silicon.com/tags/crime.htm> , cctv
<http://www.silicon.com/tags/cctv.htm> , evidence
<http://www.silicon.com/tags/evidence.htm> 

 
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By Julian  <mailto:[EMAIL PROTECTED]> Goldsmith

Published: Thursday 13 December
<http://www.silicon.com/archive/13-Dec-2007.htm>  2007
<http://www.silicon.com/archive/#year2007> 

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The Police Service of Northern Ireland has secured the conviction of an
armed robber by using enhanced CCTV footage of his crimes.

The proliferation of CCTV cameras in the high street and around commercial
buildings has helped the police to detect crime and secure convictions to a
greater degree. However, not all of the footage they collect is of a high
enough quality to be of use.

This was the case after a spate of armed robberies in the Belfast area,
around Newtonabbey, in which the two perpetrators were caught on CCTV
cameras. CCTV has been around long enough for criminals to be aware of their
presence and take precautions about covering their faces, which is what the
two Belfast robbers did.

However, in one of the robberies, one of the individuals discarded a piece
of paper from which the police were able to recover a fingerprint. This was
enough to link the suspect to that one robbery but not the other half dozen
he was suspected of participating in.

Unable to identify the suspects by their faces, the police identified that
the same sets of clothes were worn in each of the robberies. Similar clothes
were taken from the suspect's home, after police had established through the
fingerprint evidence that he was present in at least one of the robberies.
They brought in a team from crime prevention and detection specialist ABM to
help them sift through the CCTV footage for further evidence.

ABM's Facial Verification Team was able to identify characteristics on the
clothing seen on camera, which established they were the same articles
seized from the suspect's home. Such characteristics included labels,
writing and stains on the clothing.

Faced with this evidence, the suspect changed his plea from not guilty to
guilty to all of the robberies he was charged with and in October this year,
he was sentenced at Belfast Crown Court to seven years in custody.

Newtonabbey CID Detective Constable Philip Cummings said: "The clothing
evidence was the big thing in this case. This technology definitely helped
to swing the defendant over to making a guilty plea."

Cummings explained that in the two cases where he has used enhanced CCTV
evidence to build a case, the defendant has changed their plea to guilty
without it having to go to court. He can rely on expert witnesses to verify
the quality of the evidence if it should go to court, which will be matched
by expert witness testimony from the defence. In the instances where the
defence has requested the evidence to put before their expert, no actual
challenge has been forthcoming, indicating the evidence is indisputable.

Cummings said: "This sort of service will most definitely be used more in
the future. Retailers generally don't have CCTV that is up to Home Office
standards and we will have to rely on technology that enhances it."



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