Dooley and Krzeminski investigate Demidov's hotel room, and discover a typewriter. Thompson and Sousa take Jarvis in for interrogation, and the former threatens him with revealing an old treason charge to the immigration office. Carter, feigning ignorance, botches the interrogation to get Jarvis out, and receives a stern reprimand from Dooley. Carter and Jarvis then follow the sewer system bel