Here are tonight's top stories.

A Davison man who was convinced of killing his wife by putting heroin in her cereal has been sentenced to life in prison without the possibility of parole.

Christina Ann Thompson Harris, 36, died in September 2014. Officials said Harris prepared a bowl of cereal for his wife and laced it with a lethal dose of heroin. Her sisters never stopped fighting for justice.

Here are tonight's top stories.

A Michigan man has been convicted of premeditated murder after his late wife’s breast milk helped prove that he laced her cereal with a lethal dose of heroin, officials said.

Christy Ann Thompson Harris, 36, was found dead five years ago at her Davison home. Her death was initially ruled an accidental overdose. But after further investigation her husband, Jason Harris, was charged with her murder.

DETROIT The Michigan Attorney Generals Office executed a search warrant Friday at the Detroit Public Safety Headquarters. Sources confirm the search was of the IT department and connected to the Make Your Date investigation. Detroit officials opened an investigation into Mayor Mike Duggan and the citys interactions with the Make Your Date nonprofit organization in April. Jason Harris, 44, allegedly openly spoke about getting rid of his wife and had allegedly been looking for a hit man. The future of the neurosurgery program between Wayne State University and the Detroit Medical Center seems to be over following the loss of the programs accreditation.

GENESEE COUNTY, Mich. A medical examiner delivered damaging new testimony Friday as a husband stands charged with spiking his wifes cereal with a fatal amount of heroin. Jason Harris, 44, allegedly openly spoke about getting rid of his wife and had allegedly been looking for a hit man. We believe he put heroin in her cereal and milk the night she died, Genesee County Prosecutor David Leyton said. In court Friday, Genesee County medical examiner Brian Hunter spoke about what he found on the victims body during the autopsy. He said the victim didnt have a history of heart failure and she didnt drown.

DETROIT Local 4 is tracking the Michigan General Election results for Nov. 5, 2019. The neighbor who found a Michigan woman dead after her husband allegedly spiked her cereal with heroin shared new details in court Tuesday. Herman Walters died in a hit-and-run crash in July when a high-speed driver slammed into him in Detroit. Lake Superior State University is offering a marijuana degree program, the first degree of its kind in the United States. Read MoreMonday, Nov. 4, 2019 --

Sheila Koop said Jason Harris texted her in September 2014 asking her to check on his wife, Christy Ann Thompson Harris, because he was worried she overslept. When Koop entered the couple’s Davison home, she found Christy Harris foaming at the mouth and without a pulse. She said he told her he had given his wife cereal the night before and she couldn’t hold it. Koop said Jason Harris told her, “I heard her coughing as I was walking out the door. More Coverage:What the Michigan man accused of murder wife by spiking cereal with heroin said in depositionNeighbor testifies at preliminary hearing of man accused of killing wife by spiking cereal with heroinHow Michigan mother’s breast milk led to husband’s arrest 5 years after her murder

Christy Ann Thompson Harris was found dead in September of 2014 in the bedroom of the home she shared with Jason Harris. A former co-worker of Jason Harris testified that he gave Harris 10 pills of Klonopin. More coverageWhat happenedProsecutor Leyton said Jason Harris had a history of seeing other women outside their marriage. The prosecutor said at one point Jason Harris hired a hit man. The alleged hit man was on parole and sent back to prison.

Sheila Koop said Jason Harris texted her in September 2014 asking her to check on his wife, Christy Ann Thompson Harris, because he was worried she overslept. When Koop entered the couples Davison home, she found Christy Harris foaming at the mouth and without a pulse. She said he told her he had given his wife cereal the night before and she couldnt hold it down. Koop said Jason Harris told her, I heard her coughing as I was walking out the door. More Coverage:What the Michigan man accused of murder wife by spiking cereal with heroin said in depositionNeighbor testifies at preliminary hearing of man accused of killing wife by spiking cereal with heroinHow Michigan mothers breast milk led to husbands arrest 5 years after her murder

GENESEE COUNTY, Mich. - A Michigan man charged with murder after allegedly killing his wife by spiking her cereal with heroin is due in court. MORE: What a man accused of murdering wife by spiking cereal with heroin said in depositionJason Harris' preliminary examination is Tuesday. Harris, 44, is accused of putting heroin in Christy Ann Thompson Harris' cereal in 2014. What happenedGenesee County Prosecutor David Leyton said Christina Harris' husband, Jason Harris, had a history of seeing other women outside their marriage. The prosecutor said at one point Jason Harris hired a hit man.

GENESEE COUNTY, Mich. - A Michigan man has been charged with murder after allegedly killing his wife by spiking her cereal with heroin. "We believe he put heroin in her cereal and milk the night she died," Genesee County prosecutor David Leyton said. Harris: YesGibbs: And you disclosed this at some point to your wife? Gibbs: You had nothing to do with your wife's death, right? Harris: Yes-Gibbs: How did you feel after your wife died?

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Her death was first ruled an accidental overdose, but Harris' family filed a wrongful death lawsuit knowing the ruling did not make any sense. What's in the petition filed Wednesday reveals some of what they found out about her death. After three years of waiting and no charges, Christy's family filed a wrongful death lawsuit. According to the petition, Jason Harris told that other woman his "divorce had been finalized" from Christy while Christy was still alive. Click the links below to visit fundraisers for Christy Harris' daughters .

Jason Harris was charged with premeditated murder and is facing life in prison. Genesee County Prosecutor David Leyton said Christina Harris' husband, Jason Harris, had a history of seeing other women outside their marriage. The prosecutor said at one point Jason Harris hired a hit man. "We believe Jason Harris murdered his wife, we believe he put heroin into her cereal and milk the night she died," Leyton said. Two years after Christina Harris' death was ruled an accidental overdose, a key piece of evidence was located at her parents house.

DAVISON, Mich. - A Michigan man has been charged with murder after investigators concluded he spiked his wife's bowl of cereal with heroin. The medical examiner initially classified Christina Ann-Thompson Harris' 2014 death as an accidental overdose. But investigators now believe Jason Harris poisoned her at their home in Davison, 60 miles (100 kilometers) north of Detroit. Leyton says Jason Harris' siblings told police that he had talked about "getting rid" of his wife. Co-workers told investigators that Harris had been looking for a hit man.