Marijuana: Would Amendment 64 really prevent 12,000 pot arrests?

In our recent post about cannabis community division over Amendment 64, the Regulate Marijuana Like Alcohol Act, Mason Tvert, among the measure's main proponents, said passage of the initiative would prevent as many as 12,000 pot-related arrests per year. Is this estimate reasonable? A report on view below implies that it is, although a local attorney concedes that pinning down actual numbers is difficult.
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Michael Roberts has written for Westword since October 1990, serving stints as music editor and media columnist. He currently covers everything from breaking news and politics to sports and stories that defy categorization.
Contact: Michael Roberts