That is true right? But can someone do this to your laptop if its on the lock screen? i assume this is not possible if they can't get past the bitlocker pin screen?

Fix BitLocker error E_FVE_TPM_NOT_DETECTED, The booting system doesn't have or doesn't detect a TPM in Windows 11/10.

How to get BitLocker recovery key for Windows Microsoft says your computer should return to its normal startup practices after you enter the BitLocker recovery key on the screen you're stuck on.

And with Windows 8, Microsoft has updated BitLocker to Go with some new features that make it faster and easier to use than ever before. Using BitLocker to Go in Windows 8 ...

How to Change the Lock Screen Notification Design Open Settings and tap on Notifications. In the Display As module at the top, tap Count, Stack, or List based on what you prefer.

BitLocker Auto-unlock allows the Drive to unlock automatically when inserted into designated computers. Learn how to enable or disable it.