Veronika Ermilova is the alleged mistress of German-American billionaire Karl-Erivan Haub, who was thought to be dead after vanishing and is suspected to be living with her in Moscow. As per reports, 44-year-old Ermilova ran an "insconspicuous" agency in Saint Petersburg around the time of Haub's disappearance. She is also suspected of being involved with the Federal Security Service.