A former federal law enforcement officer has been handed the most severe punishment available short of execution, closing a case that drew attention for its calculated cruelty. Brendan Banfield was sentenced on Friday to life in prison, bringing to an end a high-profile prosecution in Fairfax County, Virginia, that centered on the deaths of two people.
Banfield was not an ordinary defendant. He had worked as a law enforcement officer for the Internal Revenue Service, a background in investigations that made the case all the more striking, given that the same person trained to enforce the law was now being convicted of orchestrating a deadly scheme inside his own home.
At the heart of the case were two killings. Banfield was found responsible for the death of his wife and of a man who, according to prosecutors, was deliberately lured to the couple's home as part of a setup. The framing of that second death as a planned trap was central to how prosecutors presented the crime to the court.
A central thread running through the case was Banfield's personal life. He had been having an affair with his family's Brazilian au pair, a relationship that prosecutors treated as part of the backdrop to the killings and that helped shape the narrative of a household in which trust had given way to a fatal plot.
The investigation that led to the conviction was itself a point of discussion. Speaking after the case, the prosecution described how detectives had started with a wide view and gradually narrowed their focus as evidence came in, a process they characterized as standard procedure rather than the rush to judgment that the defense had sought to portray.
Prosecutors pushed back on the idea that investigators had locked onto a single theory too early. They argued that the last thing a police department or prosecutor should do is settle on one explanation before all the evidence is gathered, and said that what unfolded in this case reflected the normal way a major, high-profile investigation is built.
With the life sentence now imposed, the criminal proceedings against Banfield have reached their conclusion. The outcome means the former IRS officer will spend the rest of his life behind bars for a double killing that prosecutors say was carefully engineered, a grim ending to a case rooted in betrayal within a single family home.