Thank you for the link. 
I am not a Trump supporter by any means, but I do appreciate learning. This is actually a fairly well written article. It does not say Obama wiretapped Trump Tower, but it gives a credible timeline to some surveillance activities that the FBI may have done inside the Trump campaign and why. All unnamed sources, and in this case unnamed sources not from  within the intelligence community but with "links" to the intelligence community. Heat Street seems to be part of Fox/Murdoch's empire. I confess I have never heard of them before.
If this is the genesis of the Trump tweet tirade, this simply shows how Trump lies. I would strongly recommend everyone read this article and then try to connect the dots to Trumps tirade.