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Cypher
Blair and Jim, along with forensics specialist Carolyn Plummer, suspect that a series of seemingly unrelated murders are actually the work of a serial killer.
![](https://image.tmdb.org/t/p/w300/8Dckn1GmmySA7HyBOauxT9uFBna.jpg)
![](https://image.tmdb.org/t/p/w300/qF2mxBMCx0LIBRrllkEpsQFjTQQ.jpg)
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![](https://image.tmdb.org/t/p/w300/kKRCfa66l2L1DvSI7dgr3ei0Yti.jpg)
Other episodes for this season
![The Switchman](https://image.tmdb.org/t/p/w300/p5u4ugKlXcYPe5baOMpjwS87WfU.jpg)
![Siege](https://image.tmdb.org/t/p/w300/3XU10Wv512uAWYpMtXVSE5h5Qxq.jpg)
![The Killers](https://image.tmdb.org/t/p/w300/7Cf2PjIUji6jNjHXOtDZF0Bzo5b.jpg)
![The Debt](https://image.tmdb.org/t/p/w300/kypjmi7MvzY0WslIhfE97nkFffQ.jpg)
![Cypher](https://image.tmdb.org/t/p/w300/dPh42P4W4rQLghA5kjJihXSgKq0.jpg)
![Night Train](https://image.tmdb.org/t/p/w300/76NCPjCJAqy3u50q0scuIqUpeAy.jpg)
![Rogue](https://image.tmdb.org/t/p/w300/wqYulWwJleayAm0hCxXqNQv6704.jpg)
![Love and Guns](https://image.tmdb.org/t/p/w300/rHBU8WKyK4he7OvL6v4oshBWMAX.jpg)
![Attraction](https://image.tmdb.org/t/p/w300/TVtlyRr16ixpK1RDwoETUapcXG.jpg)
![Vow of Silence](https://image.tmdb.org/t/p/w300/9iKBz7snTbBlrnrQU47LnUFxQ6z.jpg)
Blair and Jim, along with forensics specialist Carolyn Plummer, suspect that a series of seemingly unrelated murders are actually the work of a serial killer.