Considering how the corrupt government deals, you could be exactly right....
I have to revise my timeline a bit. It appears that the first FISA was denied. It was then appealed to a three judge panel which approved it around mid July. It would have to be re-approved in 90- days, which was done for the October 15th FISA Warrant.
Talk that SS found bugs in Oval office. Interesting indeed. How would parties know about contents of private conversations Trump had with various heads of state?