In publicly leaked emails from Clinton’s presidential campaign in 2015, Clinton's team looked into using Jane Sanders’ role in the college’s failure against then-candidate Bernie Sanders.
From what source do you suppose the Clinton campaign got this information? Possibly Obama's FBI?
VTDigger has done an outstanding reporting job on the Sanders slush fund and dacha..
https://www.google.com/search?q=vt+digger+sanders&ie=utf-8&oe=utf-8