His mobile phone, bifocal spectacles and three packs of ten co-proxamol painkiller tablets were found in a jacket pocket -- with only one tablet remaining in its blister pack.
We found six bicycles tethered to three of the rings, including two children's bikes, one of which had a pair of adult bifocal glasses attached to the handlebars.
This created a giant bifocal system which allowed him to see the blackboard through the right side, then use the left side to write down what he had seen.