Man arrested in the death of his ex-girlfriend’s mother 23 years ago in Maryland
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![Man arrested in the death of his ex-girlfriend’s mother 23 years ago in Maryland](https://media-cldnry.s-nbcnews.com/image/upload/t_fit_1500w/rockcms/2024-06/240620-Gaithersburg-md-Montgomery-County-Police-Google-Maps-ac-603p-825f5f.jpg)
A man remained in jail Thursday after federal authorities arrested him in connection with the 2001 Maryland cold case death of a former girlfriend's mother.