Yelena exhales harshly through her nose, then nods. "The question is how they're doing it, and what their purpose is."

She pauses to smile and waggle her fingers at a wide-eyed toddler who nearly runs into her shin before giggling and careening back towards a weary-looking young woman before adding, "And how they're choosing their victims." She purses her lips, and considers Kate sidelong. "Are you afraid of snakes normally? When they're not supposed to actually be plastic rings."

Would something that plays on phobias already in place, drawing them out for a little jolt of horror, be easier than something that targets people directly? It sounds like it should be.