Were undercover sources from other DOJ agencies present on Jan. 6? Grassley, Johnson demand answers

EXCLUSIVE: Senate Republicans are demanding answers on whether confidential human sources from Justice Department agencies beyond the FBI were used on Jan. 6, 2021, while also questioning whether Inspector General Michael Horowitz thoroughly reviewed classified and unclassified communications between handlers and their sources, warning that without that review, there may be a "major blind spot" in his findings. 

Horowitz last week released his highly anticipated report that there were more...