Interesting theory.
Wouldn’t surprise me a bit.
Timeline:
On March 2, 2015, the NY Times reports Clinton could have violated federal regulations by using a private email server, increasing the likelihood of an eventual FBI investigation... http://www.nytimes.com/2015/03/03/us/politics/hillary-clintons-use-of-private-email-at-state-department-raises-flags.html
...on March 4, 2015, there is a Congressional subpoena for all Benghazi related emails... http://townhall.com/tipsheet/katiepavlich/2016/09/06/oversight-committee-clinton-obstruction-n2214383
...on March 7, 2015 (15:41 PST), Mills tells Podesta “we need to clean this up - he has emails from her - they do not say state.gov.” (https://wikileaks.org/podesta-emails/emailid/31077)
...on March 7, 2015 (time?), Virginia Gov. McAuliffe, Clinton’s 2008 campaign chair, admits having a meeting with Jill McCabe, someone with no previous political experience or influence, to “encourage her to run”... http://www.dailymail.co.uk/news/article-3867176/Clinton-ultra-loyalist-gave-500-000-campaign-wife-FBI-deputy-director-oversaw-probe-Hillary-s-emails.html
...by the end of July, her husband Andrew McCabe is promoted to the #3 FBI position, associate deputy director... https://www.fbi.gov/news/pressrel/press-releases/fbi-announces-executive-appointments-1
...only weeks later, on August 11, 2015, FBI takes custody of Clinton’s server and thumb drives, which begins the FBI investigation process... https://sharylattkisson.com/hillary-clintons-email-the-definitive-timeline/
...Over the next three months, donations totaling nearly $700,000 by McAuliffe’s PAC and the Virginia Democratic party to the campaign of Jill McCabe... http://www.washingtonexaminer.com/clinton-ally-funneled-money-to-wife-of-fbi-agent-who-oversaw-emails/article/2605371