The report, titled "Rightwing Extremism: Current Economic and Political Climate Fueling Resurgence in Radicalization and Recruitment," released by the DHS' Office of Intelligence and Analysis, said while there is no specific information that domestic right-wing terrorists are planning acts of violence, it suggests acts of violence could come from unnamed "rightwing extremists" concerned about illegal immigration, abortion, increasing federal power and restrictions on firearms.
Today the Holocaust Museum in Washington was the scene of just such an event, a gunmen shooting several guards. While as yet, little is known about the perpetrators, I am guessing that it was not a random act. This comes on the heels of the deadly murder in Wichita by a man who was involved in the anti-semitic Christian Identity and Freemen movement.
I am sure that Ms. Napolitano will never get an apology from those calling for her head but it looks like her warning and admonition was quite prescient.
Info on the White Supremacist shooter.