A 73-year-old mechanic has his van broken into, and a collection of tools built up over a lifetime are stolen. Can the community help him rebuild his business? Four out of five tradespeople have had their vans broken into, and a growing number are now using technology like body heat sensors to protect their equipment. In a separate story, we see how criminals are cashing in on the popularity of cycling — and how one cyclist is using the power of social media to take matters into his own hands and fight back against bike thefts. So far, he's recovered more than 500 stolen bikes.