After a liquid nitrogen leak last month at a poultry processing plant in Gainesville, Georgia, killed six workers and injured a dozen others, representatives from the Foundation Food Group are grilling the survivors about their nationality and immigration status before allowing them to access medical care and worker’s compensation. As investigators probe the cause of the tragedy, advocates say the sudden focus on their immigration status has left many workers too intimidated to speak out.

In response, advocates have organized legal clinics and taken to social media to post messages in Spanish informing poultry plant workers of their rights.

“When we hear of these forms of abuse and intimidation, we feel it’s important to let workers know their rights. These questions are completely immaterial to whether or not they need medical care,” said Paul Glaze, a spokesperson for Georgia Familias Unidas, a mutual aid organization, in a statement to Prism. Doug Rohan, of the Atlanta-based Rohan Law and a workers’ compensation expert, added that since 1995 the court of appeals for the state of Georgia has prohibited insurance companies from factoring in immigration status when approving or denying benefits like workers’ compensation.