Detailed for Vin Makazian or Big Pussy.
: Evidence against Pussy includes his suspiciously quick release from jail and his persistent "back pain," which Dr. Jennifer Melfi suggests could be a psychosomatic symptom of stress—specifically, the burden of keeping a secret. [S1E11] Nobody Knows Anything
: Detective Vin Makazian informs Tony Soprano that "Big Pussy" is an FBI informant. Tony is deeply conflicted because Pussy is one of his closest friends. Detailed for Vin Makazian or Big Pussy