An Immigration and Customs Enforcement (ICE) officer has come under increased scrutiny following the fatal shooting of a Colombian man outside his family home in Biddeford, Maine, last week. The agent, identified as 37-year-old David Brouillette, reportedly shot 25-year-old Johan Sebastián Durán Guerrero while the latter was in his car. Authorities have said the vehicle appeared to attempt fleeing the scene, prompting the agent to discharge his weapon.
Brouillette, an Army veteran and former police officer at a Veterans Affairs medical center, has a documented history of behavioral and mental health struggles stretching back to childhood. Several of his relatives and former spouses describe a pattern of coercion, intimidation, and violence. His second ex-wife publicly characterized him as capable of extreme violence based on years of personal experience, and multiple court records reveal repeated allegations of abuse and harassment. These documents include requests for protective orders filed by ex-wives and family members, some detailing episodes of physical aggression toward his teenage daughter.
A close relative and ex-wife have disclosed that Brouillette was diagnosed as a child with severe bipolar disorder and attention deficit disorder, and suffered multiple hospitalizations, including suicide attempts. Despite these challenges, Brouillette pursued a military career, serving in the Maine Army National Guard and later the regular Army, deploying to Afghanistan from 2012 to 2013. Family members suggest his service overseas exacerbated his emotional difficulties.
After leaving the military, Brouillette held various roles, including work at the Maine Correctional Center, the state Health and Human Services Department, and as a Veterans Affairs police officer. He also enrolled in a firefighting program but sustained a head injury that led to post-concussion syndrome and disability claims. More recently, he was licensed as a real estate agent in Maine, though he no longer appears to be active in that capacity.
In conversations with relatives following the shooting, including his ex-wife and daughter, Brouillette reportedly asserted that the shooting was an act of self-defense, claiming that the victim attempted to run him over with a car. His daughter said he does not see himself as a killer but believes his actions were justified.
ICE has not publicly confirmed Brouillette’s identity, citing policies against revealing officers’ names. An ICE spokesperson emphasized the agent had nearly a decade of federal law enforcement experience, including use-of-force training. The Department of Homeland Security did not provide additional comment, and the White House deferred inquiries to ICE.
The incident has reignited debate over the vetting process for ICE officers amid the agency’s expansion under the previous administration’s immigration enforcement policies. Critics question how thorough background checks were amid a rapid hiring surge, especially given Brouillette’s mental health history and allegations of prior violence.
Investigations remain ongoing into the circumstances surrounding Durán Guerrero’s death and Brouillette’s conduct. The case has drawn significant local and national attention amid growing concerns about the use of force by federal immigration agents.