mens rea /ˌmɛnz ˈɹiːə/ noun2 •A reactive mind, a conscious knowing by the individual that an act was committed, either by themselves or by another. •A guilty mind, the conscious knowing of a perpetrator while committing an act that the act is illicit.The criminal offences not requiring a mens rea proof for convictions are then specifically indicated in the legislature as being under “strict liability.” — 2007 formsmentes reae