UPDATE: The stepson was arrested at 1 a.m. Sunday morning on the 19700 block of Annchester Road in Detroit.
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Police are looking for the suspect in a fatal shooting on Detroit's west side.
It happened on the 168,000 block of Ward around 6 pm Saturday.
Authorities say the victim's 17-year-old stepson fatally shot him during an argument over money. The suspect then drove away in a black Dodge Charger.
The victim is 46 years old.
The incident is still under investigation.
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