Portland/ Crime & Emergencies

Grandson, Friend Go On Trial in Strangling Death of Lake Shore Grandmother, 78

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Published on August 24, 2026
Grandson, Friend Go On Trial in Strangling Death of Lake Shore Grandmother, 78Source: Google Street View

Opening arguments began Monday in Clark County Superior Court for two people accused of murdering 78-year-old Patricia Jimerfield, whose body was found inside her Lake Shore home nearly two years ago. Jordan Sullivan, Jimerfield's 31-year-old grandson, faces a first-degree murder charge, while his 30-year-old friend, Alyssa Williams, faces a second-degree murder charge.

According to KOIN.com, investigators say the pair stole from Jimerfield and fraudulently used her bank card before she was killed. Clark County deputies arrested Sullivan and Williams in Vancouver, Washington, following an investigation that the outlet reports lasted months. Jimerfield's daughter, Stephanie Ayersman, had previously told KOIN 6 News that her mother was robbed and had filed a police report the day before her death.

A Daughter's Frantic Search Turned Into a Death Investigation

Jimerfield was found dead inside her Lake Shore home in October 2024, according to the same report. Emergency responders were first called to her home on the evening of October 8, 2024, after her daughter grew alarmed when Jimerfield failed to arrive to pick her up from Portland International Airport as planned, as detailed by Law & Crime. The Clark County Medical Examiner's Office later declared her death a homicide resulting from strangulation with a ligature.

Deputies and firefighters who responded found no signs of forced entry or burglary at the residence near Northwest 26th Avenue and 99th Street, according to footage reviewed by KATU. That detail suggested whoever entered the home likely did not need to break in. Jimerfield had lived in the same Lake Shore neighborhood house since 1984 and was remembered by family as a devoted great-grandmother and retired nurse, per The Mirror US.

Grandson Appeared on Camera Before Becoming a Suspect

The day after Jimerfield's body was found, Sullivan appeared on a KATU News broadcast expressing shock over the killing while comforting his aunt in front of cameras, a detail later reported by KATU. He had described how his grandmother missed her airport pickup before investigators ever identified him as a suspect. Detectives with the Clark County Sheriff's Office did not arrest Sullivan and Williams until March 28, 2025, ending a nearly six-month investigation that involved forensic laboratory testing, witness interviews, and digital record analysis, according to KGW.

What the Charges Mean Under Washington Law

The joint jury trial, State of Washington v. Jordan Sullivan and State of Washington v. Alyssa Williams, was assigned to Courtroom 303 of Clark County Superior Court under Judge Christine Hayes, according to Washington Courts records. Under RCW 9A.32.030, the first-degree murder charge Sullivan faces is a Class A felony requiring proof of premeditated intent or a death caused during a serious felony such as robbery or burglary, carrying a maximum penalty of life imprisonment, per the Puget Law Group. Williams's second-degree murder charge falls under RCW 9A.32.050, which covers intentional killings without premeditation or deaths occurring during non-enumerated felonies and also carries a potential life sentence, according to Black & Askerov.

Case Unfolds Amid a Sharp Drop in Local Homicides

The trial comes as homicide numbers in nearby Vancouver have fallen sharply. Data from the Washington Association of Sheriffs and Police Chiefs shows homicides in Vancouver dropped 60 percent, from 10 in 2024 to four in 2025, mirroring broader statewide declines in violent crime, according to the Camas-Washougal Post-Record. Statewide, violent crime fell 13.8 percent overall in 2025 based on state law enforcement records cited in the same report.

Hoodline first reported on the case in shock over the retired nurse's death when Jimerfield's body was discovered and the sheriff's office launched its homicide investigation. Nearly two years later, opening arguments in Vancouver mark the start of the courtroom phase for the case, with prosecutors expected to lay out the timeline connecting the stolen bank card to Jimerfield's death.