Jefferson Parish Sheriff Newell Normand says Matthew Flugence was arrested Tuesday night in Westwego, just outside New Orleans.
Normand says the 20-year-old Flugence was carrying a knife when he was arrested but did not resist deputies.
Flugence faces a first-degree murder charge in the death of Ahlittia North. He also was wanted on a charge of sexual battery involving an 11-year old girl.
North disappeared late Friday night or early Saturday morning. Her body was found early Tuesday morning in a trash bin just feet from the apartment where she lived.
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