2016. KNOWLEDGE OF THE EXISTENCE OF DISCRETIONARY POWERS IS AN IMPLIED PRECONDITION TO THE PROPER EXERCISE OF A DISCRETION TO ARREST WITHOUT A WARRANT Motabatshindi v Minister of Police (South Gauteng High Court, Johannesburg (unreported) 2014-09-26 Case No A3. Obiter. 37, 1 (Apr. 2016). DOI:https://doi.org/10.17159/obiter.v37i1.11570.