[There were no special powers at play here, just years and years of training and experience, of analyzing minds just like Helix's - and worse. It was methods and tactics, choice of words and phrasing, pacing, finding an in and by the look of things Reid definitely found what he was searching for. The sexual abuse had been a shot in the dark for some parts, the signs were there but without much of a background check to go on he was flying blindly every so often.
The outburst told him that he'd been right more than any words could ever do.
Stubbornly keeping himself from taking a half-step back, Reid waited for the attack to subside. Watched the tell-tale signs, studied his expression and the mottled pattern of bruises as they came into the light. And then, when Helix seemed to be done, he spoke up again, voice low and soft. ]
No one saw what he did to you, did they? And even if they did, even if you would've tried to tell someone no one would've listened. No one believed you.