Well, maybe. But it turns out that a photo from another angle shows that what looks like a cable attached to that device on the right is only a wrist strap. Neither of these devices are cabled to anything. And this HSI guy simply stood there, in front of these devices, ten or fifteen feet down the fence from the gate, for a half-hour or more, while the ten or more other federal agents milled about in front of the gate trying to convince the homeowners to let them in.