Fifty-two-year-old Brenda Shultz of Hollidaysburg was charged Friday with making false statements.
Police say Shultz bought a gun for Jeffrey Lee Michael in January 2011. Michael's ex-wife had previously obtained a restraining order against him.
Michael later fatally shot three people near Geeseytown on Dec. 21 before being killed by police. His motive remains unclear, but friends have said Michael was fascinated with the apocalypse.
Shultz's attorney, Lucas Kelleher, said Friday that Shultz bought the gun for herself. He says the restraining order was no longer in effect.
A hearing is scheduled for Tuesday.