Common Sense Is All You Need

When Pickford's body was found hanging from a beam in his garage, Inspector Loxton was sure that it was a case of suicide following a series of financial and domestic worries.

Then came the criminologist with his slogan, 'Common sense is all you need', and in ten minutes he upset the inspector's hypothesis. Further evidence pointed so clearly in one direction that the arrest and the conviction of the criminal seemed almost a matter of form.

But both the Inspector and the expert are way off c...