It’s both. From Wiki
ATF Project Gunrunner has a stated official objective to stop the sale and export of guns from the United States into Mexico in order to deny Mexican drug cartels the firearms considered “tools of the trade”.[16] However, since February 2008 under Project Gunrunner, Operations “Fast and Furious”, “Too Hot to Handle”, “Wide Receiver” and others (all together satirically dubbed “Operation Gunwalker”),