“Foreign policy is tough to get voters interested in,” Bechdel added. “But when something like Friday happens, people switch on.”

America Rising, which is neutral in the GOP race and is led by two of 2012 presidential candidate Mitt Romney’s former top aides, has been compiling research on Clinton’s foreign policy for years and says it will be highlighting those issues in the coming weeks.

They won’t be the only ones. A new conservative super-PAC, Future45, which has links to billionaire investors Paul Singer and Ken Griffin and describes its purpose as “holding Clinton accountable,” has also insisted that Clinton’s time at the State Department presents a real target for her opponents.

Dan Conston, a senior adviser to the group, said that her foreign policy record was one “of sheer incompetence,” adding that “it merits scrutiny ahead.”