# Law Enforcement Information Sharing Program **Entity class:** United States Department of Justice information-sharing program **Aliases:** LEISP **Maturity:** Developed ## Definition The **Law Enforcement Information Sharing Program (LEISP)** is a DOJ framework for exchanging law-enforcement information across systems and jurisdictions. Its exchange specifications helped standardize search, retrieval, and response messages. ## Relationships - **specification family:** [[wiki/Law Enforcement Exchange Specification|LEXS]]. - **interoperability standard:** [[wiki/National Information Exchange Model|NIEM]]. - **systems:** [[wiki/OneDOJ|OneDOJ]] and [[wiki/National Data Exchange|N-DEx]]. - **DHS interface:** [[wiki/DHS Law Enforcement Information Sharing Service|LEISS]]. ## Sources / Provenance - [[research/Immigration and Customs Enforcement Pattern Analysis and Information Collection (ICEPIC)|ICEPIC research dossier]]