There were, of course, very good reasons for law enforcement officials to keep an eye on Occupy protesters. Like these, for example:

“Occupy” Movement Was Infiltrated By FBI Informant In Cleveland Bridge Bombing Probe

Occupy Portland Man Arrested for Throwing Molotov Cocktail

Occupy Fort Collins Member Arrested for Arson Which Caused $10 Million in Damage

3 Men from Occupy Portland Arrested with Homemade Grenades

Spot on: