A Stateline analysis of ICE data from August 2025 to early March 2026 found that about 25% of immigration arrests were labeled as 'collateral' arrests resulting from street sweeps and raids where people were detained based on appearance or proximity to someone with a warrant. Approximately 70% of collateral arrests involved people with only immigration-related violations, compared to 41% for warranted arrests, and less than 2% involved convictions for violent crimes. Lawsuits challenging these arrests as violations of civil rights have prompted reduced large-scale sweeps in cities like Minneapolis and Chicago.