A California-based doctor was tragically discovered deceased in her residence, the victim of a violent assault allegedly committed by her husband, whom she was in the process of leaving.

Yoon “Kevin” Lai, aged 62, appeared in court on Tuesday, where he entered a plea of not guilty to charges of murder and arson. The judge ordered Lai to remain in custody without bail ahead of his next court date. He is accused of the murder of his estranged wife, Dr. Irene Gaw-Gonzalo, aged 56, whose body was found in their San Marino home on January 6, 2025. According to previous reports by Law&Crime, Gaw-Gonzalo had initiated divorce proceedings for a second time in August 2024. The couple first filed for divorce in 2003, shortly after their marriage. They later reconciled and became parents to twin boys, now teenagers.

Court documents accessed by The Los Angeles Times revealed that the crime scene was more horrific than initially reported, including the presence of a blood-stained frying pan and a metal baseball bat.

Investigators had earlier suggested that Dr. Gaw-Gonzalo may have endured additional physical violence alongside being set on fire, prompting a homicide inquiry. A death investigation report from The Los Angeles Times indicated that Gaw-Gonzalo suffered burns covering 60% of her body and sustained facial fractures and widespread bruising. Both her cause and manner of death remain officially undetermined.

As detailed by a local Patch outlet, family members of Gaw-Gonzalo testified that the respected endocrinologist was determined to leave her marriage permanently, suspecting Lai of infidelity. Her sister, now the guardian of the couple’s teenage sons, stated that Gaw-Gonzalo intended to annul their prenuptial agreement and ensure her name was added to several jointly owned properties.

The prenuptial agreement was eventually voided in September 2024. Lai purportedly believed that by adding Gaw-Gonzalo’s name to the properties, she might reconsider the divorce. However, she proceeded with her decision to end the marriage.

Fast forward to Jan. 6, 2025, when Lai came to the home to pick up his sons and take them to baseball practice at 7:06 a.m. Lai allegedly told the boys that he would be going to work after dropping them off. Court documents stated that a Ring camera in the neighborhood caught a car that resembled Lai’s car returning to the area near the home at 8:19 a.m.

Gaw-Gonzalo’s next-door neighbor, Connie Morris, stated in a court filing that she reported smoke coming from Gaw-Gonzalo’s home at 9:46 a.m. and called for help. She also testified in court that she saw Lai at Gaw-Gonzalo’s home, “peering out the door.” Morris said Lai asked, “What’s going on?” She responded, “Your house is on fire.” She told the court that Lai appeared to be “bewildered.”

Morris also stated that Lai told her Gaw-Gonzalo was not in the home, that she was picking up their sons from baseball practice. However, Morris testified that Gaw-Gonzalo’s car was still in the home’s driveway.

When it came to the fire, arson investigators said the damage was limited to one room in the house, where Gaw-Gonzalo’s body was found, and that the fires were “intentionally set.” Police said two indoor surveillance cameras that covered the den where the body was found had been “manually disabled.”

Prosecutors allege that Lai killed his wife for financial gain and set the fire to cover up the murder.

Lai’s attorney told The Los Angeles Times in an email, “We look forward to defending these false allegations in Court.”

Lai pleaded not guilty to murder with special circumstances and arson. He was ordered to be held in custody without bond until a bail hearing on Feb. 9.