A prison governor I worked for had a favourite saying to calm staff who panicked over the latest security howler: “The dogs bark, the caravan moves on.” Last week’s escape from HMP Wandsworth fuelled a great deal of excitement and theories, with many believing the suspect would never be found. The reality was ultimately rather more prosaic, with Daniel Khalife back in custody and facing 10 years for an escapade that looks more Norman Wisdom than James Bond.