 It also alleged that the workers' immigrant status may be exploited to prevent them from making complaints or forming unions.According to the report, the speed at which the pigs are killed and processed makes the job inherently dangerous for workers.A Smithfield manager testified in 1998, during an unfair labor practices trial, that at the Tar Heel plant in North Carolina it takes 5–10 minutes to slaughter and complete the process of "disassembly" of an animal, including draining, cleaning, and cleaving.