I was running around the Balota military camp. when I noticed that my Stun baton dissapeared from my back pack, went from an icon on my hot bar to a white outline. Then within seconds as i was watching my backpack my saw of shotgun disappeared right before my eyes, then my makarov disappeared out of my chest holster. At this point I logged in order to save what gear I had.
Clearly the item stealing hack in use on current experimental servers.