These agents, wearing plain-clothes and rubber gloves, have been scouring the area for "undesirables" and forcefully taking them away. Various incidents of great violence have been reported (see image below).
Is this how President Obama thinks American culture will positively impact Cuba?
No wonder Hollywood VIPs and artistic delegations come back "marveled" by Cuba and whitewashing their experiences.
They have no clue what takes place behind-the-scenes.