Department of Police Practice

Dr H Lochner

College of Law
School of Criminal Justice
Department: Police Practice
Senior Lecturer
Tel: 012 433 9413


  • D-Litt Et Phil – Police Science:
  • M-Tech: Forensic Investigations: – Kartering van selfoontegnologie
  • B-Tech: Security Risk Management. Recipient of the Fanie Bosch trophee for best student
  • B-Tech: Policing
  • National Dipoma: Security Management
  • Nastional Diploma: Police Administration

Fields of academic interests

Research interests

  • Crime investigation
  • Cell phone technology
  • The development and research of modus operandi

Other research areas

  • In 2010 I registered the Lochner Principle as an academic and investigative trademark (2006/00361 The Trademark Act 1993). This principle is peresently being recognised as one fo the principles upon which crime investigation is based.
  • The Lochner = Zinn vertical search method.

Field of Specialisation

  • The investigation of crime, more specifically violent crime which includes the following: Cash-in-transit robberies, bank robbereis, violence and crime on farms and taxti violence.
  • The use of cell phone technology in the investigation of crime.
  • The investigation of a crime scene
  • Crime intelligence


  • 2014 - Book – Taking of effective witness statements  – Juta, Cape Town.
  • 2015 - Book- Crime Scene Investigation. Juta, Cape Town.
  • Chapter in a bookk – Forensic Investigation: Legislative Practice and Scientific) Juta, Cape Town.
  • 2017 – Book – Basic investigation principles – for lawyers and investigators – In publication.

Journal articles

  • Acta 2012: Co- Author - Making the invisible visible: the presentation of electronic (cell phone) evidence as real evidence in a court of law.
  • Acta 2014: Co- Author - Detecting invisible traces generated by a cell phone at a crime scene.
  • Conference proceedings: Co-Author - International Cartographic Conference August 23-28, 2015 Space-time visualization for investigative forensic purposes.

Professional positions, fellowships & awards

  • Member of Crimsa
  • Member of Polsa


  • Community Engagement Project: Community Safety Networks – The provision of specialised training in the use of cell phone technology in crime investigation to private investigators and other organisations as part of the CE project.

Noteworthy citations for community involvement

  • The Directorate of Public Prosecutions (DPP) in Johannesburg for assistance provided during the investigation into the ‘Sondag verkragter” – with the use of cell phone technology.
  • The Divisional Commissioner in the Western Cape for assistance with the tracing of two suspects responsible for the murder of two farmers . (with the use of cell phone technology).


Other academic development

  • Short courses in:
    • Interviewing and people skills for fraud examiner and auditors (pass with distinction)
    • Advanced short Cources in Outcome based assessment in Higher Education and open distance learning (Pass with distinction)
    • Prevention and detection of procurement fraud (with distinction)

Work history

  • Police official from 1 July 1981 to 30 September 2009.
  • 1981 – 1983 – Compulsory conscription in the SAP.
  • 1983 – Join the SAP as a permanent member and work as an investigator at Letsitele, Ellisras and the Tzaneen detective branches where several different crime categories were investigated.
  • 1990 – Station Commander Hoedspruit.
  • 1992 – Pietersburg (Polokwane)– Commander of the Investigation and Inquiry Unit.
  • 1994 – Commander of the unit responsible to investigate Taxi-violence in the Far North and the Northern Province (Limpopo Province).
  • 1995 – Appointed as the Povincial commander of the Serious and Violent Crimes Unit in the Limpopo Province: this comprised of 9 Murder and Robbery units, a firearms and taxi-violence unit and a covert unit responsible for the collection of information pertaining to taxi-violence and cash-in-transit heists.
  • 2000 – Coordinator for covert information in relation to cash-in-transit heists in Gauteng.
  • In my career i investigated several differt types of crime. However in the latter part of my career I specialised in the investigation of bank robberies, cash-in-transit robberies, farm murders and taxi-violence.
  • I took early pension in 2009. Appointed as a cellphone analyst at the cash-in-transit company SBV. After this I was appointed
  • In Julie 2010 i was appointed as a senior lecturer at the Department of Police Practice. I was responsible for Advance Crime Intelligence V, Investigation of the Crime Scene as well as the investigation of selected crimes.