How 'Digital Detectives' Track Criminals

8 February 2011


The next DISC talk entitled ' A Complex Digital Investigation' will take place tomorrow night -Wednesday 9 February in the Heap Lecture Theatre Kedleston Road site.

The role of digital technology in investigations of paedophile rings and other cases involving internet use will be revealed in a senior police officer's free talk at the University of Derby.

Detective Constable Paul Tew of Nottinghamshire Police has been a policeman for 24 years, a police law trainer, and is an Associate Lecturer at the Open University in computer forensics and investigations.

He currently works in the e-Crime division of the county's force, dealing with highly complex and technical cases. DC Tew has been involved in the successful prosecution of around 100 offenders, where the evidence involved computer data, and acted as an expert witness in many other court cases.

His free talk entitled A Complex Digital Investigation at 6:30pm tomorrow Wednesday 9 February, in the Heap Lecture Theatre at the University's Kedleston Road site, will reveal how police collect evidence from digital sources such as personal computers and mobile devices, use this to build a case against a suspected criminal and subsequently present this complex evidence in court.

The talk is the latest in a series of free public lectures run by the University's Derbyshire Information Security Consortium (DISC)  dealing with the security of electronically stored records and information. The DISC also works with businesses to improve information security.

DC Tew said: "The case I am going to talk about involves the use of many different techniques employed by an individual to avoid detection and how he was ultimately found out.

"This isn't the end of the story because the evidence needs to be presented at court in a way that can be understood by the average member of the public (i.e. the jury).

"Hopefully this talk will enlighten the audience about the investigative process and perhaps provoke some thought on how such complex evidence should be presented in court.

"This should be helpful not only to students of computer forensics but also computer security managers who are tasked with incident response and following up on incidents that require evidence to be presented in civil courts or tribunals."

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