A commission of inquiry can’t jail anyone. It can’t force government to do anything at all. So what is the Madlanga Commission actually for, and what happens if its final report just gets filed away like so many before it? Accountability Now’s Paul Hoffman walks through 25 years of scrapped anti-corruption units, three trips to the Constitutional Court, and one narrow legal route that could still see South Africa’s newest corruption-busting unit, IDAC, ruled unconstitutional if the commission gets it wrong.