According to the police, a call came in at 9:20 a.m.

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The call was to inform that a mom and two children had been shot and killed.

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It's unclear if Marcus was the individual in question.

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The five family members were discovered dead from gunshot wounds in the garage.

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Also, there were dead bodies on the first and second floors of the home in the suburban cul-de-sac.

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Inside the garage, close to Marcus' body, detectives discovered a firearm.

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The tragedy occurs exactly three years and one week after Marcus and Tara's youngest son, Conor passed away from pediatric cancer.

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It's been three solid years since we had to say goodbye to Conor, Tara wrote in a Facebook post accompanying a picture of Marcus cuddling Conor.

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Even if it were just for a heartbeat, what wouldn't I give for another flawless moment like this one?

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