My reference is the case in which an agent saw that there was child pornography on a laptop before the lid was closed and the computer went into suspend; the ag

My reference is the case in which an agent saw that there was child pornography on a laptop before the lid was closed and the computer went into suspend; the agent then KNEW the machine contained the offending material, and so they could induce the person to decrypt the machine because the existence of the material was an already established fact and therefore not a violation of self-incrimination.