Also in 2008, the Postville Agriprocessors plant was raided by Immigration and Customs Enforcement in what would be the largest such raid in American history. Hundreds of undocumented workers were arrested. In 2004 and again in 2008, the Postville Agriprocessors facility was shown to use slaughter methods that opponents claimed were inhumane and therefore contrary to kosher law.
In 2008, Immigration and Customs Enforcement carried out a significant raid at the Postville Agriprocessors plant, apprehending numerous undocumented workers. In 2004 and again in 2008, the facility was discovered to employ slaughter practices that opponents argued were cruel and thus incompatible with kosher law.