Perhaps it is not Patrushev, but Primakov that is behind this: http://glavpost.com/post/14mar2015/blogs/19500-pavlo-pravyy-ultimatum-primakova-v-deystvii.html
Surprising that Putin let Pimakov live this long, maybe he has many old and powerful connections to take out.
Oh, forgot about Primakov- Russia’s WMD man in Saddam’s Iraq.