When has a Federal investigation lasted a short amount of time? This smells more like a vote of no-confidence than anything else.
The USATF is such a mess. They literally can't do anything without looking like incompetent bozos. I would swear their mission statement is to enrich a few executives, to provide lavish boondoggles for their friends, watch the sport lag in popularity, ensure TV coverage of their events is slow and boring, allow any other coverage of events to be placed behind exorbitant paywalls (hello have you heard of an iphone and Facebook live), neglect developing elite athletes, give ex-dopers a seat at the table, and to be sure the funds from the $25 million / year corporate level shoe contact evaporates into thin air each year without a plausible explanation as to where the funds are being spent.
It would be nice if they could sideline Max Siegel while they are at it.