TUCSON, Ariz. -- A southern Arizona man has pleaded guilty to transportation of marijuana for sale and being a prohibited gun possessor.
Pima County prosecutors say 60-year-old Robert Dennis Williams entered his plea Monday.
They say Williams could face anywhere from probation to up to 15 years in prison when he's sentenced on April 8.
Williams, of Arivaca, was arrested last June on drug-trafficking charges.
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