Schweizerischer Nationalfonds / Fonds national suisse
The age of blood stains says more about the crime
Bern (ots) - The composition of blood stains changes over the course of weeks and months. Forensic medicine hopes to make use of this fact in future to convict suspects - or to prove their innocence. The blood-stained paper lay on the roof terrace for almost a year, protected from the rain but otherwise exposed to the elements. Fortunately it wasn't evidence of a violent crime; no, the drops of blood were part of a ...