Mr Wainwright travelled to the region hit hardest by the disaster to work with the aid agency Cafod and to record what he saw.
For the relatives of the missing, however, there is little comfort or hope of identification.
Three weeks of hot, humid sun have left these victims unidentifiable, and with neither time nor facilities for DNA testing, they are destined to remain anonymous, buried in undignified mass graves on the city limits.
Indonesia doubled its death toll to more than 220,000 last week and that figure is certain to climb higher still as the long clean-up process starts to gather pace.
For the survivors, the onset of monsoon flooding just adds to their misery.
