STURGEON BAY, Wis. (AP) -- A memorial service will be held Thursday for a mother and her two children killed in a murder-suicide outside of Green Bay.

Police say Denis Bay fatally shot his 44-year-old wife, Michelle, and their two children, 14-year-old Andrea and 10-year-old Daniel, before taking his own life Friday at their De Pere home.

Police are continuing to investigate possible motives. De Pere Police Chief Derek Beiderwieden told the Green Bay Press-Gazette (http://gbpg.net/zS3xEj) investigators are learning more about the circumstances leading up to the deaths but he declined to elaborate.

A memorial service will be held Thursday evening at Sturgeon Bay Moravian Church. A separate service is planned that morning at the church for Denis Bay.

Court records show the couple was going through a divorce.

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DE PERE, Wis. (AP) -- De Pere's police chief says that other than toxicology tests, the investigation into the deaths of a couple and their two children is done.

Chief Derek Beiderwieden said Monday autopsies confirm investigators' conclusion that Denis Bay fatally shot his wife, Michelle, and their two children, 14-year-old Andrea and 10-year-old Daniel before taking his own life Friday at their De Pere home.

Flowers, stuffed animals and other mementos have been placed at a stop sign near the crime scene. Brown County Circuit Court records show a divorce was pending for the couple. Beiderwieden says Michelle Bay and the children were shot multiple times and Denis Bay died of a single gunshot.

A Sturgeon Bay funeral home is handling arrangements for the Bay family.

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