And from this link, FWIW....
Missing Iranian Minister is Cooperating with Western Intelligence - Source
... has said that the ministry [Turkish Ministry of Foreign Affairs] was following the case at Iran’s request and that there was nothing unusual about it. He said, “To us, he is simply a lost regular Iranian person,” and added, “After the [Ministry of Interior] comes up with a solution, we will relay the information to Iran as part of the diplomatic procedures.”
According to anonymous officials who spoke to the Turkish newspaper, ‘Millet’, the Turkish intelligence and police had discovered that Asghari was opposed to the Iranian government and that
he holds information regarding its nuclear plan.