An investigator finds an encrypted TrueCrypt/VeraCrypt container on a suspect's device. The suspect refuses to provide the password. Which legal doctrine may compel password disclosure in a US federal case?
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A
Fifth Amendment protection always prevents compelled disclosure
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B
The foregone conclusion doctrine may allow a court to compel decryption
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C
The Fourth Amendment requires disclosure upon seizure
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D
Passwords are always protected as attorney-client privilege