Deborah Caldwell-Stone writes: “US Immigration and Customs Enforcement (ICE) is the law enforcement division of the Department for Homeland Security. ICE must operate in accordance with the Constitution, the Bill of Rights, and the laws of the US. When ICE agents make inquiries about library patrons, state laws and library policies concerning the privacy and confidentiality of library patron records still apply, including provisions that require law enforcement agents to present a court-issued subpoena, court order, or warrant to obtain patron information.”