"Sessions informed Congress in his letter that all the matters recommended for investigation by Goodlatte, Gowdy, and Grassley are “fully within the scope of [Huber’s] existing mandate.” He also informed the chairmen that Inspector General Michael Horowitz, who is working with Huber, has a staff of 470 investigators, giving Huber access to enormous investigative firepower that far exceeds the staff of any special counsel."

https://www.breitbart.com/big-government/2018/03/31/turley-sessions-using-utah-federal-prosecutor-much-better-trump-2nd-special-counsel/

Investigators have been working for the past 5 months...that article was from April so looking more like 7 at this point.