Meanwhile, records show the ICE agent behind the fatal shooting of 25-year-old Joan Sebastián Durán Guerrero once told a court a head injury had left him with impaired cognitive functioning and memory. David Brouillette filed a lawsuit against the Maine Community College System in late 2023, alleging post-concussive injuries after a steel beam fell on his head during a firefighting training course. Just two years later, Brouillette went to work as an ICE officer — despite his injury and his documented history of domestic violence against two previous wives and his daughters.