That's a deterrent measure in and of itself. >> the fact the local sheriff says the person or people who damage the substation, quote, knew exactly what they were doing, what does that tell you about the perpetrator, the kind of knowledge they had in order to do this? it seems like the information is pretty much out there. >> i think, three quick points, versus that 2013 outage in california, the metcalf substation that was hit with hundreds of rounds, and they got in, the perpetrators got in and cut fiber optic cable to cut off communications and security, that was a very sophisticated attack...