Kaia is an FBI agent. She works for the BAU and is like all of her coworkers complicated, to say the least. Her parents died when she was allegedly 2 months old by their previous employers, one of the most powerful gangs in Russia; Конец. Not much else is known about Kaia other than what she wants them to know. Based on Season One of Criminal Minds all characters other than Kaia belong to the original writers of the TV show.