Imposter

S18 E3: A man (guest star Wallace Langham) tears a family apart when he uses a prominent fake identity to lure a vulnerable wife and mother into his bed. Barba (Raúl Esparza) argues that the evidence amounts to rape, but he's faced with a powerful defense attorney (guest star Callie Thorne) and a skeptical judge (guest star Vincent Curatola) in court.