Roma (maiden surname unknown) works with FBI Agent Paul Ballard to gain hard evidence of Martin Klar's illegal activities. As far as she is concerned, she and Ballard have been partners for three years. A long-term imprint, she seduces Klar and eventually marries him having earned his trust. She has no qualms about using sex as a tool to get what she wants from him. When she is exposed as working with Ballard, Martin slams her head down on a desk. (S2: "Vows")