In the lead up to a contentious presidential election last November, someone threw a bottle filled with what Hillsborough Police describe as “flammable material” through the window at the Orange County GOP headquarters.

The damage caused the party to move the county headquarters to a new facility, which opened just before the election.

Police released little information at the time, and the investigation has yielded few public details over the last 10 months.

But the investigation may have hit another roadblock recently when Katie Yow said that she would be fighting a subpoena to appear before a federal grand jury. The Durham resident is a self-described anarchist who released a statement objecting to the grand jury protocol as a whole due to the secretive nature of the proceedings.

Yow told the Triad City Beat – an alt-weekly focusing on North Carolina’s Triad region – that the subpoena was related to last year’s firebombing. There have been no official details released regarding the nature of the subpoena.

Yow, in her statement to the Triad City Beat, said that she doesn’t “know anything relevant to a criminal investigation of the alleged incident at the GOP headquarters.”

Yow was called to appear before the grand jury on July 31, which led to a large protest outside of the federal courthouse in Greensboro.

It is unclear how large of a role Yow is expected to have played – if any at all – in the firebombing. And it is unclear where the investigation currently stands as the one-year anniversary is approaching.

The North Carolina GOP released a statement condemning anyone who refuses to participate in the grand jury proceedings.

“Terrorism against our political institutions can not stand,” state Republican party chair Robin Hayes said in a release. “The state is offering the $5,000 reward for information leading to the arrest and conviction of the person or persons responsible for the firebombing, which the NCGOP will match with an additional 5,000.”