<p>John Greenfield joins FrontLine Chat today with Dave and Harry to talk about his book, based on the diaries and journals of Police Sergeant William Foyle and his eldest daughter Ellen. &nbsp;Let's compare what it was like then, to what it is like now!</p>

Police Interceptor Ben Pearson on PTSD

Dave and Harry are two great mates who have an hours light-hearted chat every week with a special guest such as Nick Knowles, John Nichol, and the pioneering female Tornado fast jet pilot Amanda Hickson. Think of listening in to two guys down the pub talking to special people, and you have the jist!

Dave Wardell is a current serving dog handler who was not only on Britains got talent but also changed laws on animal cruelty. Harry is a former police armed response sergeant and VIP protection officer for royalty and government officials.