S12, E17: When Alicia Harding (Guest Star Debra Messing), host of the television series "Neighborhood Predator," begins to receive personal threats, her life-long pursuit to find her sisters abductor emerges. Detectives Olivia Benson (Mariska Hargitay) and Odafin "Fin" Tutuola (Ice-T) are joined in the investigation by ADA Sonya Paxton (Guest Star Christine Lahti), who may be too involved in the case. As Harding thinks she is getting close to the truth, another's life hangs in the balance. Also starring: Richard Belzer (Detective John Munch), Dann Florek (Capt. Donald Cragen), Christopher Meloni (Detective Elliot Stabler), Melissa Sagemiller (ADA Gillian Hardwicke) and B.D. Wong (Dr. George Huang).