But now, ABC 4 News is being told that investigation is concluding and that it's possible no charges will be filed.
The many controversies surrounding the DABC involved accusations of bid rigging, falsifying financial records and artificially splitting invoices.
We're told Mark Shurtleff is almost done investigating things of this nature, but not to expect serious or even any charges.
Among several issues, the attorney general is believed to have been looking at former DABC Director Dennis Kellen and a company called Flexpak.
Flexpak is the company of Kellen's son.
According to a legislative audit, the DABC spent hundreds of thousands of dollars with Flexpak.
When an auditor testified at an earlier meeting about the DABC, he used these strong words:
"Inappropriate and potentially illegal."
The AG's office also, reportedly, is looking at another scathing DABC audit - this one involving the Eden package agency.
It went belly up, a reported $300,000 dollars in the red.
But despite the legislature's anger over Eden and Flexpak, ABC 4 is being told that none of this is expected to result in any significant charges or possibly any charges at all.
When we asked why, we were told this might be a "problematic" case to prosecute.
The attorney general declined to comment on the investigation, but we're also told that an announcement may be made sometime in the near future.
FOLLOW CHRIS VANOCUR ON TWITTER: @cvan4