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MIAMI (CBSMiami/AP) — A Miami-Dade man has been convicted of operating a growhouse, though he had contested he grew the 15 marijuana plants in his home for his wife suffering from cancer.

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The Miami Herald reports that a six-member jury convicted 43-year-old Ricardo Varona Friday night of trafficking in more than 25 pounds of marijuana. He faces a mandatory minimum sentence of three years in prison.

Varona was arrested in July 2014 after authorities found the plants growing inside his second-floor bedroom.

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He is the second South Florida man to use medical necessity as a defense to operating a growhouse. In March a Broward County jury acquitted 50-year-old Jesse Teplicki of similar charges.

Earlier this year the Florida legislature authorized growing a low-grade strain of marijuana to treat ailments, including cancer.

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