DAVID VIDECETTE
How does someone just disappear? How do you unpick a cold case from a time before widespread CCTV, the ubiquitous mobile phone, or personal computers? Where do you look for witnesses, more than three decades later, when you have no detailed records, just a name and sometimes an age or even just a job title?
Read MoreThe forgotten story of the very first police officer to be killed on duty and how his legacy is buried beneath a London train station.
Read MoreThere's been a lot of discussion lately about why some people are called terrorists, and others aren’t. What delineates an act of terrorism from other criminal acts such as homicide and mass murder?
Read MoreThe knife crime epidemic: How did we reach crisis point in London and what does stop-and-search have to do with all this?
Read MoreAnother bad day for France.
Yesterday the words 'Terror' and 'Paris' occupied the headlines, again.
But was this really a terror attack, or just plain terrifying?
Read MoreAs our security services and police became more proficient at spotting, in advance, those purchasing or acquiring the precursor materials for explosives - terror groups changed their approach.
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