In Call of Duty DMZ, you’ll come across the Researcher’s Dilemma after unlocking Tier 3 objectives with the Black Mous faction. This is one of the trickier missions for this faction, as it requires you to visit two different POIs to exchange certain items. I’ve completed this mission solo and assisted several teammates to get it done on different runs. Luckily, you can use some of the tricks I did to complete this mission without making the same mistakes. Here’s how to complete the Researcher’s Dilemma in Call of Duty DMZ.

How to complete the Researcher’s Dilemma Mission in DMZ

Researcher’s Dilemma is aTier 3 Black Mous missionthat takes place onVondel. To start and complete Researcher’s Dilemma, select the mission from the tab and queue in on the new Vondel map. This mission hasthree objectives, and you’ll need to travel between two major POIs.

First, you need to visit theZoo POIlocated on the southwestern side of the map to get the Research Notes. Then, you’ll need to visit theCastle POIlocated on the northern area of theVondel mapto place the Research Notes and to pick up the False Gas Research Notes. Once that’s done, you must return to theVeterinarian Officeand place the False Gas Research Notes. You need to do all of this in a single deployment, so I’d recommend getting a vehicle first to travel across the map.

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All objectives in the Researcher’s Dilemma Mission in DMZ

Here are all the objectives for the Researcher’s Dilemma mission in DMZ.

Related:DMZ Disarming Presence Mission Guide

Where to find the Researcher’s Notes in the Vondel Zoo Veterinary Office

To start thefirst objectiveof theResearcher’s Dilemmamission, you need tovisit the Veterinary Office at the Zoo POI. Check the yellow circle on the map image above to see the exact location of the Veterinary Office. Keep in mind that to get inside the Office, you will need theVeterinary Key. Thankfully, this key can be obtained by completing a Tier 2 Black Mous mission.

Once you are inside the building, unlock the Veterinary Office, and walk straight into the room to find the table with test tubes. This is where you will find theVondel Gas Research Notes, and you need to stow them in your backpack. This will complete the first objective of the Researcher’s Dilemma mission. Remember, this building can sometimes spawn as a Stronghold, so you’ll need a Stronghold keycard to enter it.

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Where to place the Researcher’s Notes in the Church near the Castle

With the Vondel Gas Research Notes in your backpack, visit theCastle POIon the northwestern corner of the map. You need to enter theChurch in front of the Castle POIand visit the second floor of this building to place the Research Notes. Check the white circle on the first image above to see the exact location of the Church.

After reaching the Church,climb up the ladder near the entranceto reach thesecond floor.On the second floor, you’ll see a dimly lit light kept on a corner. Stand in front of this corner, and the prompt to place the Research Notes will pop up on your screen. You can reference the second image above to see the exact spot where to place the Research Notes. After placing the Research Notes, you mustpick uptheFalse Gas Research Notesfrom the same spot and stow them in your backpack. This completes the second objective of the Researcher’s Dilemma mission.

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One thing to remember is if you do not find the False Gas Research Notes at Church in the same spot, then some other Operator must have taken it for their mission. In that case, you’ll need to visit the Church in a different run. I would recommend using a vehicle to travel quickly from Zoo to the Castle before anyone else can pick up the False Gas Research Notes.

Where to place False Notes in the Veterinary Office

With the False Gas Research Notes stowed in your backpack,return to the Veterinarian Officeat theZooPOI. You must stand in front of the table where you picked up the previous note from, and the prompt toplace the False Gas Research Noteswill appear. Place the False Gas Research Notes at the spot shown in the image above to complete the third and final objective of the Researcher’s Dilemma mission.

Related:DMZ Hydrogen Peroxide Location

How to get the Veterinarian Key in DMZ

The toughest part of the Researcher’s Dilemma mission is to get inside the Veterinarian Office, as you’ll need a specific key to unlock this area. Thankfully, you can complete theAnti-Air Tier 2 Black Mousmission to get theVeterinarian Keyas a reward. The key will be stored in your Stash, and you can stow it in your backpack before matchmaking.

Alternatively, you can also completeHVT Contractson Vondel to get keys for different locked locations across the map. I found a couple ofVeterinarian Keyssimply by completing HVT Contracts around Vondel. If you have already completed the Researcher’s Dilemma mission, give the Veterinarian Key to your teammates and friends to help them complete this mission and progress in the Black Mous faction.

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Researcher’s Dilemma Mission rewards in DMZ

After completing the Researcher’s Dilemma mission, you will be rewarded with+10,000 XPand theAquarium Keythat can be used at theVondel Zoo POI. The Aquarium is a denied area in DMZ, meaning you’ll find countless AI forces inside this locked space. Most of these AI forces carry good weapons and wear body armor, so be careful while infiltrating this area.

Wondering how to get rare items in DMZ? Check outWhere to find a GPU in Warzone 2 DMZon Pro Game Guides.

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Screenshot by Pro Game Guides