Two other people were arrested in connection with the deadly shooting, though they have not yet been formally charged.
Police arrested three people in connection with the shooting, though officials have yet to formally announce charges.
Officials offered the reward for any tip that "moves this case forward."
Police said the officer was shot to death while following a stolen car in Detroit.
The 42-year-old shooter opened fire at the Brooklands Plaza Splash Pad along Auburn Road in Rochester Hills Saturday.
Sheriff: 8-year-old boy shot in the head has "made amazing progress;" shooter showed signs of paranoia before the attack.
In total, the couple were shot seven times and remain in the hospital, according to a GoFundMe account that was verified by police.
Investigators will try to determine if he left behind writings and examine his electronic devices in hopes of shedding light on a motive.
She was charged with murder and first-degree child abuse, and held on a $1 million bond, police said.
The suspect opened fire at the Brooklands Plaza Splash Pad, injuring several people before taking his own life, authorities said.
Police do not know if drugs or alcohol played a role in the crash and were still investigating the incident.
Police said a man and his girlfriend attacked the former boyfriend of the girl inside a Pontiac convenience store.
A Lake Orion man was arrested in connection with a fatal Auburn Hills crash last Thursday, according to police.
Defense lawyers for Crumbley want a new trial with witnesses who will testify to Crumbley's declining mental health before the shooting.
Police are looking for a driver who sped away from officers and smashed into a pickup truck, killing a man in Auburn Hills, police said.
The student wrote the threatening message hoping it would cancel classes so he could avoid taking a test, officials said.
Police believe the Pontiac building where the shootout happened was being used as an after-hours meeting place for narcotic paraphernalia.
Prosecutors said the husband confronted another man about talking to his wife as a shootout broke out at a Macomb County home.
Ethan Crumbley asked for confidential pre-sentencing reports for his parents earlier this month, but they turned him down, reports said.
Officials did not report any injuries in the incident.
Main Street between University and Fourth streets will be closed for several hours as police investigate the explosion.
Officials said the teens are "wanted for criminal violations."
A 29-year-old man shot his wife to death, then fatally shot himself, according to the Oakland County Sheriff's Office.
A man was killed in a hit-and-run crash Wednesday morning in Auburn Hills, according to police.
Crumbley turned 18-years-old earlier this month and was moved to northern Michigan prison where he'll spend the remainder of his sentence.
Jennifer and James Crumbley have taken the first step to appeal their convictions, according to court documents.
Officers stopped the drunken driver before he left a parking lot where witnesses told police he crawled to his car, police said.
Officials are offering a reward up to $2,000 for information that leads to an arrest.
The couple's son, Ethan Crumbley, who is now 17, was sentenced to life without parole last December after he admitted to the shooting.
The mother of 17-year-old Madisyn Baldwin, who was one of four students killed in the shooting, asked the judge to show no mercy.
An Oakland County jury found the couple each guilty on four counts of involuntary manslaughter in the deadly Oxford school shooting.
The 15-year-old Pontiac girl was placed at Children’s Village, according to the sheriff's office.
Officers busted a prostitution ring that was operating out of a recently-opened health studio near downtown Rochester, according to police.
News of the threatening statements first came emerged during the middle of James' trial back in March.
Police said the Rochester woman stalked and attacked another woman after falling for her boyfriend.
The fight was the shooter's third misconduct citation since he arrived at the Lapeer prison in early December 2023, according to the prison.
Oakland County prosecutors shared two proffer agreements they made with two Oxford school officials during the Crumbley trials.
The Oakland County Sheriff's Office is investigating a series a threats James Crumbley is accused of making against the prosecutor.
Two men from Florida and a Tennessee woman were arrested in connection with the vehicle break-ins and thefts, according to police.
James Crumbley said that he wanted to ruin Oakland County Prosecutor Karen McDonald's life, and said she was going to hell, reports said.