16-year-old arrested after missing pregnant woman found beaten and burned

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A 16-year-old boy has been arrested after a missing pregnant woman was found burned and beaten in a vacant Detroit home.

The mother of four boys, 29-year-old Amanda Lynn Benton, was found on Friday after she hadn't been seen since Monday. 

The 16-year-old is in custody but has not yet been formally charged. He is being held at a juvenile detention center and a 23-year-old male is being held on unrelated charges, but investigators say they anticipate he will also be charged in the murder case.

Benton was expecting her first daughter in just a few months. She was last seen last Monday driving her car to southwest Detroit. Family members say she was struggling with a heroin addiction.

Her purse, missing a wallet and cell phone, were found a few blocks away. Days later Family members say her body was discovered in an abandoned building at Vanderbilt and west end.

Those with any information are asked to call Crime Stoppers at 1-800-SPEAK-UP.

A GoFundMe account has been set up by the family to pay for funeral expenses.

The prosecutor's office says the 16-year-old will not be arraigned Monday.