There's a ripple in the system, things may appear normal, but they're not. I saw yellow at the edges, that was the telltale sign.
They let the steel drones inside, they are amongst us, they have the power to read weak-minds & work for Mother, she runs the show.
Nobody knows anything about the symbols they use, the clues they leave behind. But there's something Mother doesn't know. There is one working the fringes in here, an infiltrator who knows the score.
And once he's in, has slipped security, then close the door, it's lights out, 'cause the party's over.