The Massachusetts State Police (MSP) accidentally spilled some of its opsec onto Twitter on Tuesday night, uploading a screenshot that revealed browser bookmarks which included links to a collection of Boston’s left-wing organizations that the staties are keeping an eye on. The tweeted screenshot showed that the MSP bookmarked activist groups, including MAAPB (Mass Action Against Police Brutality), COMBAT (the Coalition to Organize and Mobilize Boston Against Trump), and Resistance Calendar.

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