Heidi has started to feel sick suddenly. She rests against the wall, visibly sweating. This wasn't natural. She knew that much. Something that she was very susceptible to was making her very quickly ill. By process of elimination, considering things from food poisoning to a deadly virus on the loose, she comes to one conclusion; radiation. And considering the difficulties and processes of smuggling radioactive material into a bank without highly suspicious equipment, or any notable affects to oneself, it must be a mutant. She switches on her comms equipment.

"Booker, it's Heidi. There's radiation in the bank, and I'm pretty sure it's a mutant. I'm going to search for the culprit. They're probably in the main foyer, as that's the least suspicious place for a non-staff member, and a crowd's probably the best place to hide without standing out. They might be hiding, though. Is there any way we can utilise Cerebro?" Heidi studied everybody's faces as she talked. Everybody looked concerned and panicked, so whoever it was must be acting, and acting well. That ruled out the possibility that the culprit was merely out of control. Then they'd be looking around, very guilty, and twice as panicky as usual. No, the culprit here knew what they were doing. The other possibility was the mutation had just developed and they weren't aware, but everyone in that crowd was too old.

She put out her hand and grabbed one of the support beams. Her enhanced senses were making her doubly affected by the radiation, though she wasn't in more danger than anybody else physically. Her skin was pale and clammy, however, her eyes bloodshot and her sweating was getting more severe, as well as her breathing becoming heavier. She had to concentrate, and try not to believe she was this ill. The mind was a powerful thing, Heidi's mind doubly so, and if she wasn't careful it could trick itself into believing she was absorbing twice as much radiation as she was.

A possibility came to her; to stay and watch the crowd. The culprit wouldn't suffer any radiation sickness and would eventually be the only person with a healthy complexion, regular breathing and not feverish. She just had to wait, despite every cell in her body screaming at her to get out. This was a difficult situation. She really wanted to evacuate the Bank, but if she did, the mutant responsible would escape in the throng. With this method, she'd catch him before any lives were in danger but exposing any civilian to radiation for longer than necessary just felt wrong. Sometimes the overall right thing to do involved a few small wrong things...