[TigersEye]

Here is yet another one and it is even better...

The Dog That Hasn't Barked -- Yet. The Texas Connection to the Gunwalker Scandal. - Sipsey Street Irregulars

FWIW I am finding these by mining Nachum's List. I spent more than an hour making specific searches on a search engine and got less than I'm finding there.

[TigersEye]

Another article about the Houston, Texas ATF op but still no name for it.

Congressional Inquiries Turn To Houston Over Gun Trafficking Investigation