They charge conspiracy and cover-up. Zapata was one of the US citizens that was killed with one or more of the guns that were walked in the BATFE’s ‘Fast and Furious’ program. Fast and Furious allowed, under ATF supervision, more than two thousand guns to be purchased in the United States and delivered to the drug cartels in Mexico.
A comprehensive lawsuit charging government conspiracy and cover-up was filed Tuesday in the United States District Court Southern District of Texas Brownsville Division by the parents of murdered Immigration and Customs Enforcement Agent Jamie Zapata and Special Agent Victor Avila, Jr., against the government, straw purchasers, individual government officials, gun dealers and others deemed to share in responsibility per the complaint.”
Here is a link to the 39 page complaint.