A man is dead and a woman was critically injured after a home exploded in Plainfield Township, Michigan, on Tuesday, according to the sheriff's office.
Jeremy Lyle, an off-duty Sonoma County Sheriff's deputy fatally shot Mari Bonnici, the mother of his three children, at her apartment over the weekend and later killed himself in the parking lot of the coroner's office, Santa Rosa police said.
The department's investigation into the homicides "has raised serious concerns about the FTPD's operations and effectiveness," the prosecutor's office said in a press release.
Officers discovered 33-year-old Lauren Semanchik and 29-year-old Tyler Webb shot to death in Semanchik's home on Upper Kingtown Road on Saturday afternoon.
A man stabbed his wife and 2-year-old daughter to death before critically injuring himself in what police are investigating as a murder-suicide attempt.
A man shot his girlfriend and her 10-year-old daughter to death before turning the gun on himself, authorities in Mercer County, New Jersey, said.