"We must know how many more lies they have been telling and how high up the chain the cover-up goes, " Jenny Beth Martin, national coordinator for the group Tea Party Patriots, said in a statement Saturday.
Vazquez said the conference will cover topics across the aluminum supply chain, but he said specifically they are interested in a few particularly topics.
He also questioned why an independent Accountability Review Board that investigated the attacks didn't expand its probe to cover decisions made higher up the chain of command.
He also asked why a State Department review board that investigated the attacks didn't expand its probe to cover decisions made higher up the chain of command.
In his prepared testimony, he also asked why a review board investigating the attacks didn't expand its probe to cover decisions made higher up the chain of command.
It recently launched four agro-industrial businesses supplying staple products such as milk and maize flour, and its retail-food chain, Mercal, aims to cover 60% of the market.