By its very nature digital crime may present a number of specific detection and investigative challenges. The use of steganography to hide child abuse images for example, can pose the kind of technical and legislative problems inconceivable just two decades ago. The volatile nature of much digital evidence can also pose problems, particularly in terms of the actions of the 'first officer on the scene'. There are also concerns over the depth of understanding that 'generic' police investigators may have concerning the possible value (or even existence) of digitally based evidence. Furthermore,...