The truth cannot hide...

Basic Principles of Forensic Science

Basic principles of forensic science By Dave Barclay Prof. Edmund Locard wrote in various papers and books published around the time of the first world war that every contact leaves a trace. This is also called Locard’s exchange principle, and refers to the transfer of… Read more


Hairs and fibres

Hairs and fibres by Dave Barclay Hairs and fibres are the most commonly transferred materials during physical contact between two people. The closer and more long lasting the contact the greater the chance of a two way transfer, which provides the strongest evidence. This means… Read more