Watch live: Mullin testifies before House panel on DHS oversight

DHS Secretary Markwayne Mullin is set to testify before a House Appropriations Committee panel on the oversight of the Department of Homeland Security amid ongoing tensions between federal immigration enforcement and state governments over deportation policies. This hearing follows a series of conflicts regarding the execution of President Trump's immigration enforcement plans. The significance lies in how this testimony could influence future immigration enforcement strategies and state-federal relations, especially with a recent federal judge blocking certain administration actions. This moment underscores the ongoing debate over immigration policy and its enforcement.