Definitions of socius criminis
a Latin term used to describe an accomplice to a crime (=someone who has taken part in a crime, but who was not the main criminal involved)
In the Scots criminal courts, when a socius criminis appears as a witness for the crown, he is told by the judge that his evidence will not militate against his crimes.
Phrase Bank for socius criminis
When a socius criminis is adduced as a witness for the crown, he is told by the judge, that his evidence will not militate against himself.