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Salt - the coppers friend

Obese criminals who eat junk food 'easier to catch' - Telegraph

A police scientist has developed a way of analysing the corrosion on bullet casings and knife blades that is caused by microscopic amounts of salt in hand sweat.
Dr John Bond suggested that those who eat junk foods - which contain large quantities of salt - will give away the most clues.

And that is why you should listen to your Mummy when she tells you to wash your hands after eating as well as before....

Comments

Obese criminals who eat junk food 'easier to catch' - Telegraph

I thought it meant because they can't run so fast. How come prisoners are always in the exercise yard working out anyway? Wouldn't it be better if they were given a never ending doughnut bar?

MMMMmmm .... never ending doughnut bar ..... would that have jam, custard or chocolate inside?

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