View image in fullscreenAntioch, TennesseeLocal residents shout at Nashville police officers after immigration operations at an apartment complex on Wednesday. Law enforcement and local government officials across the US have over the last year expressed concerns that immigration operations were interfering with police work and leading to threats to officers, according to internal emails and briefings shared with the GuardianPhotograph: Seth Herald/ReutersShareView image in fullscreenAntioch, TennesseeFederal immigration agents enter a apartment unit.