@Sapphire, a thought: Metas would only become public knowledge in 2010; while you're implying that Vince's tragic life, and his involvement with the MHLA, happened before that; a mistake I myself made with Constantine before I retconned his backstory.
Needed question: You say Vincent's powers work through pheromones, right? Can said pheromones be filtered by power armor or ventilation, or even counter-pheromones?
Yes, that's what makes it tricky, the people honestly had no idea why Vince and his father could do what they did. This heavily contributed to the fire that led to his death, if the people knew it was just a genetic difference they might not have acted so rashly. Metas were around before 2010 and I'm sure that some one them knew they had powers and used them. I'll fix it to make it more clear, thanks for letting me know.
Counter-pheromones I'm not completely sure about but the other two would work provided you have an advanced ventilation system. There's an element of Emotion manipulation to it that even with the best possible suit/vent people will still feel something small though a meta may not.