How Brooklyn's New Marijuana Policy Will Play on the Streets

A Seattle resident takes marijuana from a plastic bag shortly after a law legalizing the recreational use of marijuana took effect on December 6, 2012 in Seattle, Washington.

Brooklyn District Attorney Kenneth Thompson announced this week that he'll no longer prosecute low-level marijuana possession cases. But NYPD Commissioner Bratton has instructed the NYPD to continue making arrestsEugene O'Donnell, professor of law and police science at John Jay College of Criminal Justice, former police officer, and former prosecutor, discusses what this means for Brooklyn residents and law enforcement on the ground.