GRAND HAVEN, Mich. (WOOD) — A police officer was justified in shooting and killing a homicide suspect who was holding his wife hostage, the Ottawa County prosecutor has decided.

Matthew Hartman, 27, was shot by Holland Department of Public Safety Officer Joseph Slenk on the morning of April 22 outside Hartman’s home at the West Olive Estates mobile home park in rural Ottawa County.

Authorities say Hartman took his wife to a Muskegon home earlier the same morning, where he shot and killed 29-year-old Jordan Carey, a friend of his wife.

The homicide happened around 7:23 a.m., according to a Tuesday release from Ottawa County Prosecutor Ronald Frantz. Hartman’s mother-in-law called 911 at 7:37 a.m. and said her daughter Mary Hartman was being held at gunpoint by her husband. At 8:05 a.m., Mary Hartman’s mother told dispatchers that the Hartmans were back at their home and that Mary Hartman said her husband had “shot some people.”

Mary Hartman herself soon started texting with dispatchers. At 8:17 a.m., she wrote, “Help me,” a message she repeated at least three more times over the course of about half an hour. She also texted dispatchers that her husband was armed, had threatened to kill her and wanted to commit “suicide by cop.

>>PDF: Complete timeline in prosecutor’s ruling

Hearing the dispatch traffic about the situation, the prosecutor said, Holland DPS sent an armored vehicle and two officers to help Ottawa County sheriff’s deputies at the Hartman’s home.

Around 8:59 a.m., Matthew Hartman came out of the house holding a gun to  his wife’s head. Authorities ordered him to drop the gun, but he didn’t.

At 9:01 a.m., Slenk came out of the roof hatch of the armored vehicle and shot Hartman once in the head, killing him. The fatal shot was fired from about 80 feet away, the prosecutor said.

Mary Hartman was not hurt.

Authorities found Hartman’s gun was loaded.

The prosecutor said Slenk had reason to believe that Mary Hartman’s life was in danger and was therefore justified in the use of deadly force. Slenk won’t face any charges.