Jon is back in Tooting to analyse the terrorist threat posed by buying cheap luggage. Investigative reporter Ken Kildoon goes undercover in south London to root out corruption in British amateur athletics. Special correspondent Peter P Powers gains exclusive access to British secret services as he attempts to hire an interrogator who can bring torture into the 21st century. And showbiz reporter Mike Armenian follows American house music legend Montel Montey as he hits the comeback trail.