Key Points
- The Hidden Memories Key is located on the upper ledge of a building.
- You need to navigate the outer window ledges to find the key.
- This key unlocks the door on the topmost floor of the mansion.
Each mission in Crime Scene Cleaner Act 2 holds some secrets, and the Circle of Friends mission is no exception. There are a few hidden keys scattered around the level, but the hardest key to find is the Hidden Memories key. Once you do get this key, you unlock a secret treasure room within the mansion.
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Crime Scene Cleaner Act 2 – Hidden Memories Key Overview
| Mission | Circle of Friends |
| Key location | On the window ledge past the Employee Quarters |
| Use | Unlocks door in First Floor |
How to Find the Hidden Memories Key in Crime Scene Cleaner Act 2

To find the Hidden Memories Key, make your way to the Service Area on the ground floor, to the left of the main lobby for Holden’s Mansion. From the Service Area, enter the Employee’s quarters via the open terrace. Jump across the ledge and walk to the right towards the Service Area window. From there, walk across the second ledge to reach the blood-stained windows that overlook the inside of the Employee Quarters.

While this may seem like a normal part of the game, what caught my eye was the corpse on the balcony to the left. Since I had to dispose of as many bodies as possible, the only way I could reach the corpse was to enter the quarters instead. The entrance to the balcony in question is to the left. Enter it and dispose of the body.

I spotted another ledge to walk across straight ahead, and since I had more blood to clean up, I walked across it. While cleaning the walls, I kept walking to the right. After reaching the end, on the opposite platform, I could see something glinting within the debris. Jump across towards the small platform and rummage through the debris to find the Hidden Memories Key.
Where to Use the Hidden Memories Key
To use the Hidden Memories Key, make your way back to Holden’s Mansion lobby area and take the stairs all the way up to the topmost floor. Walk through the corridor until you find a locked red door. Use the key here to unlock the door and enter the secret room filled with treasure. Inside this room, you will find cash inside the safe and valuable items inside the chests. You can also pick up the figurines on the table for some quick cash.
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FAQs
Will this key unlock any other room?
No, this key will only unlock the door on the First Floor.
Are there any other keys to find in this mission?
There are other keys to find as you keep cleaning up all the rooms in the mansion.
Are the items inside the Hidden Memories room valuable?
Yes, all the treasure within this room will give you a large sum of money if totaled up.
