WASHINGTON (RNS) — In an unsealed affidavit this week charging 29-year-old Mariia Butina with “conspiracy to act as an agent of the Russian Federation” was buried a peculiar detail: Butina, a Russian citizen living in the U.S., allegedly sought to influence U.S. officials not only through organizations such as the National Rifle Association, but also by exploiting the National Prayer Breakfast, an annual event in Washington, D.C.