Replication data for: Cruelty Campaign: Solitary Confinement in U.S. Immigration Detention

Replication data and code for analysis in "Cruelty Campaign: Solitary Confinement in U.S. Immigration Detention" report. The SRMS data on solitary confinement in the U.S. immigration detention facilities from 2018 to 2023, quarterly reports and CRCL expert reports were obtained through FOIA by the Immigration and Refugee Clinical Program at the Harvard Law School in September 2023 and the SRMS data was updated in December 2024. Data from April 2024 to May 2025 was obtained from ICE Detention Statistics - https://www.ice.gov/detain/detention-management