Digital forensics is changing the way crimes are investigated and it’s also being used by businesses looking to clamp down on unpleasant or illegal staff behaviour. Detective sergeant John Finan admits to watching the occasional episode of CSI and what amazes him most is how the producers can telescope months of painstaking forensic investigation into an hour of television. He knows how it really happens; as part of the Garda Computer Crime Investigation Unit, he has seen how digital evidence taken from PCs, servers, disks and mobile phones is a growing part of law enforcement…
