From McClatchy:
WASHINGTON — In the waning days of U.S. Rep. Michele Bachmann's presidential campaign, her husband Marcus Bachmann allegedly wrote an email describing his efforts to raise much-needed funds through an outside "super PAC."
That email now is in the hands of the U.S. Justice Department, which has subpoenaed records from the National Fiscal Conservative Political Action Committee as part of a federal grand jury investigation into potentially illegal coordination between the PAC and Bachmann's campaign.
...
A copy of an email purportedly written to Waldron by Marcus Bachmann describes a telephone conversation he had with PAC President Bill Hemrick to raise money for a mailing to evangelicals. Hemrick reportedly suggested that Bachmann contact GOP donor August Busch, who, according to the email, agreed to give $7,000 "thru the NFC super pac."
...
(Bachmann Campaign whistleblower Peter) Waldron also alleges that he personally drove Michele Bachmann to a meeting with (PAC President) Hemrick at his home in Tennessee in 2011. Hemrick also served as the finance chair for the Bachmann presidential campaign in Tennessee.
http://www.mcclatchydc.com/...
I'm not a lawyer, but according to the article, this a big deal because it's a "grand jury subpoena". That means a grand jury has already been impaneled in the case, which is a grim development for the Bachmanns.
A GOP attorney familiar with the case described the news as a "thunderclap".