NEAR MARNE, Mich. (NEWSCHANNEL 3) - We expect to learn more Monday about the deaths of four people in Ottawa County.

Last Monday firefighters found the bodies of Sharmaine Zimmer, her two sons Tyler and Jeremy, and Jeremy's girlfriend Katherine Brown when they put out a house fire near Marne.

Investigators have ruled their deaths as homicides and are expected to release new details on the case.

Sunday night friends and classmates of the victims held a prayer service and candlelight vigil in Coopersville.