Who is Niall Stanage, the journalist Karoline Leavitt called a ‘left-wing hack’?

White House Press Secretary Karoline Leavitt clashed with reporter Niall Stanage over the ICE agent shooting of Renee Nicole Good, leading to heated accusations during a press briefing. Leavitt criticized Stanage as a "left-wing hack" after he questioned ICE's record and the circumstances of Good's death. Protests erupted in multiple US cities after Good, a 37-year-old mother and legal observer, was fatally shot by ICE agent Jonathan Ross in Minneapolis.