“All documents reflecting any orders, directives, instructions, or guidance to your law enforcement employees (including, but not limited to, police officers, correctional officers, and contract employees), whether formal or informal, that were distributed, produced, and/or in effect during the relevant timeframe, regarding whether and how these employees may, or may not, communicate with the Department of Justice, the Department of Homeland Security, and/or Immigration and Customs Enforcement, or their agents, whether directly or indirectly,” the letter stated. One was addressed to Johnson and one to Preckwinkle.