[s3e7] The Perfect Mark -

The episode concludes with a significant shift in the series' overarching HR plot:

Detective continues her dangerous undercover investigation into HR with the help of her mole, the rookie officer Mike Laskey . [S3E7] The Perfect Mark

The Machine provides the number for (played by Aaron Staton), a hypnotherapist. Finch soon discovers that Price is a con artist who uses hypnosis to extract personal security answers from his wealthy clients to steal their money. The episode concludes with a significant shift in

Carter fatally shoots Terney. In his final moments, Terney identifies Alonzo Quinn (the Mayor's Chief of Staff) as the head of HR by pointing at a photograph. Terney kills Laskey.

Detective Terney (a corrupt HR cop) confronts Laskey and Carter. In the ensuing shootout, Terney kills Laskey.