That part was easy. In Adam's case, he usually just set a trigger on his consciousness to prod him whenever 'something bad' was happening. (It was a loose term, but his head understood what he meant even if he still occasionally got false alarms.) That meant he didn't have to pay too much attention. He couldn't explain that to Cayce, however, so he tried a different tack.

"Well, Crowley told me once that there's special cameras in London that only turn on when someone's runnin' a red light or robbin' a bank or doing summat else they shouldn't be. Maybe that's what's happenin' here. 'Cause it'd be too hard to watch everybody all the time."