https://blog.nowhere.moe/opsec/encryption/index.html
From a legal standpoint, the only way to be protected against that scenario where you’re forced to decrypt your harddrive is to be able to deny the existence of said encrypted volume (Plausible Deniability) . If the encrypted volume does not exist, there is no password to be given for it.
So here we need a technology that can provide us Plausible Deniability. That is what Veracrypt can do for us.