Cloak & Daggers

Cloak & Daggers is an optional side quest in Deus Ex: Human Revolution. It is given to the player by Jenny Alexander.

Introduction
Jenny Alexander, an undercover cop and a friend of Adam Jensen's from the Detroit police force, is investigating a police officer named Jack O'Malley, suspected of corruption, and could use Jensen's help. She is found in the Detroit streets, near the entrance to Derelict Row, undercover with the rest of the prostitutes.

Overview
Alexander requires four things from Jensen to lock down this case: While not necessary to complete the quest, Jensen can also recover a weapon that was used in a previous hit ordered by O'Malley. Staying hidden while in DRB territory will also aid Alexander's case.
 * 1) Incriminating evidence that O'Malley is hiring hitmen to kill figures that could cause problems for him. Jensen must meet with O'Malley and pose as a hitman.
 * 2) Once Jensen has received his orders from O'Malley, Jensen must prep O'Malley's new target for retrieval by the Detroit Police.
 * 3) Incriminating evidence that O'Malley is corrupt. Jensen must investigate O'Malley's apartment and search for any evidence that could help in the case against O'Malley.
 * 4) Incriminating evidence that the Derelict Row Ballers are being supplied illegal weaponry. Jensen must infiltrate DRB territory and find the incriminating weapons shipment.

The Hit
O'Malley is located in the alley beside the Detroit Police Station. Jensen must meet him there and pose as the hitman to receive his assignments. O'Malley will be suspicious of Jensen, partly recognizing him as a former police officer, but by playing the part of the consummate professional Jensen can throw him off the track. O'Malley orders Jensen to retrieve the murder weapon from an alley, then use it to kill a Motor City Banger named Double-T, then plant the weapon to incite a gang war between the Bangers and the Ballers.

The weapon, actually a Crossbow, can be found in the side alley entrance to Derelict Row.

The Banger
Jensen's target, Double-T, can be found in one of the apartment complexes, the same one Seurat is in, on the third floor. The complex can be entered through the windows. He is guarded by five other Bangers, armed with shotguns and machine pistols.

One Banger is outside guarding the hallway and is friendly, merely telling Jensen to piss off when he approaches. Three Bangers are in the living room - two watching the television, and one patrolling. The last bodyguard is with Double-T, in the bedroom. The bedroom door is locked with a level 3 terminal, but the code can be found on one of the other Bangers.

Alexander wants Jensen to take Double-T alive - the stun gun is ideal for this. The other Bangers can be taken out with a nonlethal approach fairly easily as well - both the Banger in the hallway and the patrolling Banger can be taken out with melee takedowns, while the pair in the living room can be shot down with the tranquilizer rifle. The final bodyguard can be shot down from behind cover with the stun gun.

Various loot can be found in Double-T's apartment.

O'Malley's Apartment
O'Malley's apartment can be found in the same complex as Tindall's. Although the apartment door only has a level 2 terminal, the bedroom door has a level 4 terminal, and the necessary evidence is located within the bedroom.

The evidence required is a shipment of drugs in O'Malley's bedroom. Picking it up will complete this portion of the quest, but a large quantity of loot can be found in the bedroom. The bedroom is rigged with several frag mines. One of them has a large box in front of it - '''attempting to pick up the box will immediately detonate the mine, killing the player. '''Crouch-walking and manually disarming the mines will allow Jensen to retrieve them, or the player can manually detonate them by shooting them from afar.

The Weapons Shipment
Jensen must infiltrate Derelict Row to find the incriminating weapons shipment. Upon entering the actual complex and thus entering Derelict Row Baller territory, all Ballers encountered by the player will be hostile. Getting seen will also fail the optional portion of this sidequest.

The shipment is located under the flooring in one of the north-eastern buildings, on level 1 though that area is not indicated on the map., It can be reached either through crawling under the crawlspace, the sewers, or through a nearby door. Aside from the shipment itself, the crawlspace also has several weapons, frag grenades, and a weapons upgrade.

Conclusion
Upon completing these four objectives, the player should meet with Alexander again to report their progress. Handing over the crossbow to Alexander, taking down Double-T alive, and having found the weapons shipment without ever being seen by the Ballers will complete the optional portions of this quest. Alexander then prepares to make the final arrest. Jensen can either have her do it, or do it himself.

If the player opts to have Jensen arrest O'Malley, he can be found in his apartment. He will attempt to bribe Jensen - Jensen can either let him go, or decline, in which case O'Malley will pull out a pistol and try to kill him. Taking him alive is preferable for completing this quest - again, the stun gun is ideal for this.