How to find the Biodecryption Key in Gotham Knights

Langstrom was diabetic, and paranoid!

In Gotham Knights, players will come across various situations in missions where you have to find clues to solve a puzzle. One of these puzzles involves finding Langstrom's Biodecryption Key during The Langstrom Drive mission. As a detective, your job is to read the crime scene thoroughly, find clues that others tend to miss, and piece together the scenario. Here's how to find the Biodecryption Key in Gotham Knights.

Recommended Videos

What are the clues to Langstrom's Biodecryption Key in Gotham Knights?

Screenshot by Pro Game Guides

In The Langstrom Drive mission, players need to acquire the Biodecryption Key to unlock the contents of Langstrom's harddrive. After reaching the morgue, players will need to use their Crime Scene AR to find clues and reveal additional information. You will need to find a device that conceals the Biodecryption Key and a sample that's required to use the Key. The device concealing the Biodecryption Key is the Blood Glucometer, and the sample needed is Blood. Check the image above to see how these items look in the game.

Related: How to get Promethium in Gotham Knights

You'll find various items near Langstrom's body like Urine Sample, Coroner Tools, Langstrom's Phone, Medical Bracelet, MMO Key Fob, Autopsy Report, Bloody Clothes, Wallet, Reading Glasses, Blood Glucometer and Blood Vial. You can take hints, but we recommend not doing so, as the answer is the Blood Glucometer device and the sample required is Blood. During The Langstrom Drive mission, which is the second case in the game, players need to reach the back entrance of GCPD Headquarters.

You'll need to visit the morgue inside the building to investigate Langstrom's body. However, the entry is not easy, as you need to go in undetected, and the building is swarming with cops. Use the AR ability to scan for the cops. Move silently and undetected to make your way past the Holding Cells and the Bullpen. You'll also need the desk sergeant's key to access the Forensics Wing. A cutscene ensues where you see Talia al Ghul cremating Ra's al Ghul's body. Once the scene is over, you can proceed to the morgue to investigate Langstrom's body.

Wondering how to get new suits? Check out How to get blueprints in Gotham Knights on Pro Game Guides!

Follow us on Twitter and Facebook to get updates on your favorite games!

About the Author

Dipanjan Dey started his gaming journey with Doom 2 and Contra: Legacy of War back in 1997. Naturally, he gravitated to RPGs and FPS titles like Call of Duty, Halo, and CS:GO. Dipanjan has been coverings stories and writing about video games for the past five years. For the past year, Dipanjan has been working as a Contributing Author for Pro Game Guides, covering shooter games like Fortnite, Apex Legends, and CoD!
Find Dipanjan Dey On: Twitter

Write A Comment

How to find the Biodecryption Key in Gotham Knights

Comments are on moderation and will be approved in a timely manner. Please read the following rules before commenting:

  • All comments must be on topic and add something of substance to the post
  • No swearing or inappropriate words
  • No asking or begging for anything free
  • Do not attempt to start a poll in the comments
  • Comments in all CAPS will be removed
  • We reserve the right to remove a comment for any reason
  • Do not impersonate a staff member or influencer

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.