"On Monday, September 21, 2015, the International Atomic Energy Agency (IAEA) director general proudly announced that 'certain IAEA safeguards activities were carried out at the particular location at the [Iranian] Parchin site. These included the taking of environmental samples.'...
According to subsequent information, mainly from satellite observations, the Iranians immediately began clearing the site, removing earth layers and probably removing all equipment, resurfacing all walls, floors and even ceilings – in short removing all possible traces of previous activities. Although this should have been a warning sign, the IAEA did not heed suggestions not to go there (e.g., The Jerusalem Post, June 4, 2012) because it would probably find nothing, resulting in a victory for Iran, and persisted in its request to inspect this particular building at Parchin. This is the synopsis of Act I of the farce.
Act II begins with the negotiations on the peculiar method by which the IAEA would conduct its inspection of the building, the major part of which would be carried out by the Iranians themselves, thus assuring that the results would not contradict their declarations that no improper activities took place in that building...
The Act III script is as yet uncertain since the results of the sample analyses are not yet in. The probable scenario runs like this: the IAEA will announce that "the inspection at Parchin did not produce any evidence of wrongdoing at the site. At the same time, it must be remembered that it is possible that in the past some undeclared activities did take place at the site." The Iranians will be overjoyed, and will capitalize on this result to the hilt. The P5+1 will commend the IAEA for its meticulous activities and professional behavior. Case closed. Exeunt..."