San Diego County has witnessed the conclusion of a chilling family-related homicide with a recent sentencing. In a case that has gripped local communities, Brendan Doyle and Luther Brown have received their prison terms for the murder of Laura Doyle, Brendan’s 65-year-old mother. According to the District Attorney's Office, Doyle was given a 28-year-to-life sentence while Brown faces 55 years-to-life behind bars. This sentencing comes after their conviction in April 2024 for murder and conspiracy to commit murder, with Doyle picking up additional convictions for identity theft and robbery.
"This is a disturbing and despicable case of murder of one’s own mother for financial gain," said DA Summer Stephan. The elder Doyle was strangled by her son, which progressed to a lethal end when he conspired with Brown to eliminate her and lay claim to her $1.5 million trust fund. After the murder, the son went on a conspicuous spending spree, racking up more than $11,000 on his mother’s credit card.
When neighbors discovered Ms. Doyle dead in October 2020, they immediately pointed authorities towards her son. It was an autopsy that revealed the brutal nature of her death – a violent strangulation that had caused multiple fractures. The forensic evidence, particularly DNA evidence present on the victim's clothing, became a decisive factor in connecting Brown to the scene of the crime. Brown, who had referred to himself as a "contract killer," bragged about fulfilling a friend’s homicidal request that autumn.
Authorities constructed the timeline and linked the two men through inspection of their electronic devices and social media correspondence. Explicit communications leading up to the murder placed both men at the center of the planning, entry, and execution involved in Ms. Doyle’s death, which was detailed in the District Attorney’s news release. Despite his incarceration, Doyle is reported to be still involved in legal proceedings regarding the disbursement of the trust fund that was ostensibly the motive behind the homicide.
The relentless work of the Elder Abuse Unit at the District Attorney's Office has been recognized by DA Stephan as a critical component in delivering justice. Deputy District Attorney Jaimie Thomas led the prosecution, closely assisted by the District Attorney's investigative team in unraveling the threads of this family tragedy.
