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The Mystery of the Ghost in the Machine
An undercover cop is exposed and killed, so the team investigate his homicide and are targeted in the process, forcing them to alter their approach.
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Other episodes for this season
![The Mystery of the Taken Boy](https://image.tmdb.org/t/p/w300/cKpNqAYWUHGEgA2iT69ZqyBzvKf.jpg)
![The Mystery of the Cure to Loneliness](https://image.tmdb.org/t/p/w300/cTxm1W8xgNxeAgD99UAcWNcDaj6.jpg)
![The Mystery of the Locked Box](https://image.tmdb.org/t/p/w300/rnYISWd7HD2cAGwunGMod3wFHu5.jpg)
![The Mystery of the Convict Mentor](https://image.tmdb.org/t/p/w300/v8SnMwIy3yOUtgIi79HIBbK8p5d.jpg)
![The Mystery of the Watery Grave](https://image.tmdb.org/t/p/w300/hQPfY2cEfzRJHotNhNI4n96MM3H.jpg)
![The Mystery of the Dead Heat](https://image.tmdb.org/t/p/w300/xA1kMXvlVveC3Bgo572cvot3cFn.jpg)
![The Mystery of the Maternal Instinct](https://image.tmdb.org/t/p/w300/4nFgthzKedNrSNZSeXwOIu1msTU.jpg)
![The Mystery of the Ghost in the Machine](https://image.tmdb.org/t/p/w300/kH4X50MmGGv2JXWLpxyUgA1VONN.jpg)
![The Mystery of the Triple Threat](https://image.tmdb.org/t/p/w300/iTLtHZYH1G535yEtJZnmIq5xkEO.jpg)
![The Mystery of the Downward Spiral (1)](https://image.tmdb.org/t/p/w300/g06ZaGOdzEXq3ymLTibDIQ8wA6F.jpg)
![The Mystery of the Unwelcome Houseguest (2)](https://image.tmdb.org/t/p/w300/1zN7wopeGuTqpziLtx4PJKzbai0.jpg)
![The Mystery of the Morning Jog](https://image.tmdb.org/t/p/w300/3dXEMXPmtqRZ856xGy8EiqPP88m.jpg)
![The Mystery of the Dark Heart](https://image.tmdb.org/t/p/w300/1nzWXPCkxrxhCTQPqbPidtP7DZP.jpg)
![The Mystery of the Political Operation](https://image.tmdb.org/t/p/w300/zEwSxTG1U29QpegAMpDTAecy1qf.jpg)
![The Mystery of the Unknown Caller](https://image.tmdb.org/t/p/w300/gNBmqejBeTqG7LzECvtARCRzgup.jpg)
![The Mystery of the End of Watch](https://image.tmdb.org/t/p/w300/y5vFuQDp3FHIrnvkCdgMxS24Xef.jpg)
An undercover cop is exposed and killed, so the team investigate his homicide and are targeted in the process, forcing them to alter their approach.