A former National Crime Agency investigator who worked on the Silk Road case was sentenced to more than five years in prison for stealing 50 bitcoin seized in that operation.
https://therecord.media/former-uk-nca-officer-jailed-stealing-bitcoin-from-criminal

UK NCA officer jailed for stealing bitcoin from darknet criminal he previously helped investigate
A former National Crime Agency investigator who worked on the Silk Road case was sentenced to more than five years in prison for stealing 50 bitcoins seized in that operation.