The Congressional hearing was part of a federal investigation into so-called "sanctuary cities."Committee Chairman James Comer, a Republican from Kentucky, launched the probe back in January to look into what he described as "the policies of sanctuary jurisdictions and their impact on public safety and federal immigration enforcement.

Mayor Michelle Wu “expects to pay” up to $650,000 in city funds to prepare for a high-stakes congressional hearing on sanctuary cities and is bringing along a dozen staff members at an