He had recently started a neighbourhood-watch scheme and he frequently called the police to report everything from potholes to people he thought might be involved in a spate of burglaries.
Phone numbers, email addresses, where people live, people's names, all of this information really a treasure trove for cyber criminals who might want to engage an identity theft.
Bike hire shops are peppered around and parking is easy but be warned, in 2017 the Cambridge district had one of the highest rates of bike theft in England and Wales - so lock it up.