AUGUSTA, Maine (AP) – The Immigration and Customs Enforcement officer involved in the fatal shooting of a Colombian man in Maine this week is a military veteran with a troubling history of severe mental health issues, according to family members who spoke to The Associated Press. They assert that David Brouillette, 37, has a documented tendency toward violence, including allegations of past abuse against women. One relative shared a voicemail message from Brouillette expressing similarly disturbing sentiments.
This troubling background raises important questions about the vetting processes utilized by the Department of Homeland Security as it ramped up recruitment efforts under President Donald Trump’s immigration enforcement strategy. Since the beginning of Trump’s administration, at least ten individuals have died during encounters with immigration agents, including Johan Sebastian Duran Guerrero, a 25-year-old Colombian national shot by Brouillette near his Biddeford home on Monday.
While the Department of Homeland Security has not publicly identified the officer involved, it stated that Brouillette discharged his weapon out of concern for public safety, claiming that the vehicle in question was attempting to flee the scene. Attempts to reach Brouillette for comment were unsuccessful, but three of his relatives reported that he claims to have acted in self-defense during the incident.
Career Path within ICE
Brouillette informed his ex-wife, Ashley, late last year of his employment with ICE, but she expressed skepticism about his mental health as they had previously discussed his ongoing struggles. It wasn’t until footage of the incident circulated that she realized he was telling the truth. In a conversation following the shooting, he admitted to her that he had killed Duran Guerrero.
The couple married in 2007, but Ashley filed for divorce just two years later, citing his increasingly violent behavior, especially during her pregnancy. She recounted disturbing incidents, including one where he threw boiling water at her while she was holding their child. Even after their separation, allegations of domestic abuse continued to surface, leading to numerous court records documenting his volatile behavior.
Despite not having a criminal record in Maine, records reveal a pattern of behavior that raises serious concerns. These include multiple applications for protective orders revealing a history of verbal and physical abuse involving his daughters. One application detailed alarming encounters, including instances of harassment and physical violence towards family members.
Military Background and Aspirations
Growing up in Gardiner, Maine, David Brouillette displayed an early fascination with law enforcement and military service. High school records indicate he was involved in the Navy Junior ROTC and aspired to become a police officer. Although initially disqualified for military enlistment due to his mental health issues, he was eventually accepted into the Maine Army National Guard after a lapse in his medication and subsequent reapplication.
Brouillette served in various capacities within the military from 2007 to 2015, including a deployment in Afghanistan. His family contends that this experience exacerbated his mental health struggles, with one relative poignantly stating that the military turned “an extremely mentally ill person into a killing machine.”
Post-Military Life and Recent Events
After his military service, Brouillette held several jobs in law enforcement-related fields but eventually faced a serious injury while pursuing a firefighting career, which left him with lasting cognitive impairments. Public records indicate he has been receiving disability benefits and faced financial difficulties, leading him to take on jobs like food delivery to make ends meet.
Psychological Turmoil and Claims of Justification
In late 2025, Ashley Brouillette received a threatening voicemail from her ex-husband in which he expressed contempt for her and suggested harmful actions towards her family. After a period of estrangement, the couple reconnected briefly following the shooting incident, during which Brouillette justified his actions, claiming they were necessary for his self-defense.
His daughter, Madison, conveyed that she believes her father does not perceive himself as a murderer, stating that he insists he acted appropriately during the encounter. This belief seems to further complicate an already intricate situation involving mental health, military history, and the unfulfilled promises of personal accountability.
