Her father was killed on the job and it has been hinted by conversations between her and her partner that it was covered up, with evidence suggesting that he was a dirty cop even as Carson is convinced that the evidence is too neat for it to be anything but a frame. It was later confirmed that Helios killed her father when he came too close to the truth, although Carson dismisses Helios's claims that her father begged for his life, stating that he would have demeaned himself to save her mother but would have faced his own death with courage.