She lost her parents in the outbreak of '87, but was never recovered by family or the state. She lived on the streets, growing up as a hood rat and thief, stealing what she needed to survive. Eventually, when she was older she moved to other means of income. She stopped using her legal name long enough ago that she doesn't remember it, perfectly content with 'She' now.
She has an ability similar to Victoria, producing heat from her eyes and hands, as well as the ability to "fly" by firing blasts of heat from her hands; neither of which manifested until quite recently. After the abuses she suffered over her life on the streets, the sudden shift in power has the general population of Hoboken who knows who she is quite afraid that she'll take revenge. So far she's content simply defending herself.