
A Sterling Heights man now faces the prospect of spending the rest of his life in prison after a jury on Friday convicted him of first-degree murder in the 2023 killing of his girlfriend. Jurors found 45-year-old Martin Yost guilty in the death of 45-year-old Dhoua Lao, whose body was discovered in the passenger seat of a car on Gratiot Avenue near I-94 in Roseville. Lao, a mother of two, had suffered significant trauma to her head and face, investigators said. Yost now faces a potential life sentence.
According to ClickOnDetroit, jurors found Yost guilty of premeditated first-degree murder after a two-week trial, and he is scheduled to be sentenced on July 28. Prosecutors had initially charged him with second-degree murder in November 2023, the outlet reports.
How Investigators Say It Unfolded
Police say the case started in November 2023 when a motorist in Detroit called 911 after seeing what appeared to be an assault. Officers later traced a vehicle to Gratiot Avenue near I-94, where they found Yost passed out behind the wheel and Lao unresponsive in the passenger seat, according to CBS News Detroit. Investigators said Lao had severe injuries to her head, face, and hands and that she may have been attacked in Detroit before being driven to Roseville.
Macomb County Prosecutor Peter Lucido called the scene unusually savage, telling reporters he had "never seen a beating like this," CBS News Detroit reported. During the two-week trial, jurors saw photographs and other evidence before returning a guilty verdict.
Legal Next Steps
At sentencing, the judge will consider aggravating and mitigating factors before deciding whether Yost will serve life or a term of years. A conviction for premeditated first-degree murder can carry life imprisonment under Michigan law, and prosecutors may seek life without parole in particularly aggravated cases, the Michigan courts' benchbook explains.
Community Impact And Resources
Court records and reporting indicate Yost had prior domestic-violence convictions and had completed parole in recent years, details that have raised questions about supervision and missed warning signs, as reported by Law & Crime. If you or someone you know is in danger, help is available 24/7. The National Domestic Violence Hotline is reachable at 1-800-799-7233 or via chat at TheHotline.org.









