David C. Cozza, 54, on was smoking a marijuana cigarette when police stopped him around 8:30 p.m. June 24 on Franklin Road, Denville Police Capt. Jeffrey Tucker said.
His 2-year-old child was also in the back seat, Tucker said.
Cozza was charged with child abuse/neglect and marijuana possession. A first appearance in Morris County Superior Court is pending.
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