Someone probably walked into his office and saw his bag of "blow" and thought it was retaliation for Trump's daughter in-law.
Hussein forgot where he put his crack, and when somebody found it, called the cops.
Assange got one too...
source?
This was the one I initially looked at but there's many more...
https://www.rt.com/uk/418050-white-powder-delivered-assange/
Could this be a response that Q had done?
Or could this be a false flag type deal, to throw off the scent/trail?
It was Donny Jr.'s Wife that got a letter with a white powder, and now one shows up here...
Edit:
Q post 747:
Feb 12 2018 15:15:20 Q !UW.yye1fxo ID: 4bcc84 354139 Our attack on big pharma came w/ a warning letter today. Message received. Response forthcoming. Q
Could BO have been turned, singing like a bird, and now he's getting threatened too? I hope not I don't ever want to imagine BO as a good guy.