• We pay tribute to the 40 heroes in blue who have lost their lives during the 2019/2020 financial year. #Salute

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Compiled by Kotie Geldenhuys

When Albert du Preez Myburgh abducted, sexually assaulted and murdered his close friend's eight-year-old daughter in May 1999, he did not realise that bugs would play a role in his conviction and sentence. He murdered Cindy-Ann Bauer after she had threatened to tell her parents that he had sexually abused her and left her body in an open field. Shortly after her disappearance, Myburgh was charged with her abduction. Seven weeks later, Cindy-Ann's decomposed body was found in the veld and Myburgh was also charged with indecent assault (now sexual assault) and murder. Although he admitted to abducting the girl and "fondling" her, he pleaded not guilty to murder, maintaining that he was in jail when she died.

Myburgh's claim was refuted by evidence presented in court by entomologist Dr Mervyn Mansell, who is regarded by his colleagues to be a pioneer in the field of forensic entomology. He was able to determine the post-mortem interval (PMI) from insect specimens collected from the girl's body. One of the flies, namely the winter blowfly, is unique in that it has a long lifecycle (up to eight weeks) and lays eggs only in the shade. This evidence enabled Dr Mansell to determine the time of death, which happened to correlate with the time the girl went missing. These findings, corroborated with other evidence, resulted in the court convicting Albert du Preez Myburgh of murder and sentencing him to 25 years' incarceration in April 2000. This case has been a perfect example of how the determination of a PMI, through entomological findings, can lead to the conviction of a murderer. The case was the first in South African history where entomological findings were presented in court and used as evidence that aided in the conviction of the suspect (Mail and Guardian, 2000). Since then forensic entomology has been applied to many other criminal and civil cases.

Capt Melanie Pienaar, a forensic entomologist at the Victim Identification Centre (VIC) at the SAPS Forensic Science Laboratory (FSL) told Servamus that investigating a crime is like trying to find pieces of a puzzle. “You will probably never find all the pieces but the more pieces you do find, the more complete the picture becomes. Forensic entomology is a puzzle piece most often not collected. The time of a crime and other elements of a crime can often only be answered by the insect evidence but is completely ignored in the majority of cases. How can we bring full justice to a victim by only doing half a job?” she asked.

With this question in mind, it is important to learn more about the bugs at the crime scene and the role they play in a criminal case. Capt Pienaar explained that forensic entomology refers to any instance where the biology of insects becomes evidence in civil and criminal cases which often must be resolved by legal intervention. It has been categorised into:

  • Medicolegal forensic entomology which is the best-known field of forensic entomology and involves the process of insects discovering and colonising carrion (the decaying flesh of dead animals), for example bugs feeding on something or someone who is dead. More shockingly, these insects also sometimes feed on a living victim in neglect cases. It also involves the effect of insect bites or stings.
  • Urban forensic entomology concerns itself with unwanted insect infestation of structural environments, such as homes, a school cafeteria, a restaurant or a hospital. Typical examples include the presence of cockroaches, bed bugs, mosquitoes or drain flies. In such cases, entomologists often work with insects that do not pose a real threat, but rather assess the level and mode of infestation as well as the measures to be taken. It also involves assessing the capabilities of pest control companies as well as hygiene practices on livestock premises.
  • Stored-product forensic entomology deals with insects infesting food products once they have been packaged or after they have been harvested and stored. Examples include beetle-infested cereals in a warehouse where it becomes important to find the source of the infestation to assess some responsibility. In such a case, the entomologist has the responsibility to identify the insects in question, determine their development stage and report on when and how the infestation might have occurred based on the insects’ feeding behaviour, typical habitat and biology.

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[This is only an extract of an article published in Servamus: September 2020. If you are curious about the role that insects play in determining post-mortem intervals, the geography where the victim died, the movement of vehicles and even in poaching incidents as well as the technology that is used for this science, send an e-mail to: This email address is being protected from spambots. You need JavaScript enabled to view it. or contact Servamus’s office at tel: (012) 345 4660/41. Ed.]

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Servamus - October 2020

In the early morning hours of 2 June 2019, Bernard Groenewald, a truck driver, pulled over along the N1 near Touws River in the Western Cape, when a petrol bomb was thrown into his truck. As he tried to jump out of his truck to escape, he broke his ankle and was unable to flee the scene.
By Kotie Geldenhuys
On 6 September 2020, the SAPS commemorated the lives of 40 police officials who had paid the highest price during the period 1 April 2019 to 31 March 2020.
By Annalise Kempen
The untimely death of Suna Venter, an SABC journalist, in June 2017, is confirmation that threat assessment and management in the workplace is essential.
By Kotie Geldenhuys
We are all familiar with the term “bullying” and all too often images of learners who are bullied by teasing, isolation and physical assaults, come to mind.
By Kotie Geldenhuys

Pollex - October 2020

Read More - Pretorius and Others v Minister of Justice and Correctional Services and Others 2018 (2) SACR 501 (GP)
Three applicants, who are all members of the same family, were involved in this application before the High Court in Pretoria.
Read More - S V M 2018 (2) SACR 573 (SCA)
Relevant legislation Section 194 of the Criminal Procedure Act 51 of 1977 (“the CPA”) provides as follows:
Read More - Rautenbach v Minister of Safety and Security (nowadays called the Minister of Police) 2017 (2) SACR 610 (WCC)
Introduction Mr Rautenbach instituted civil action for damages in the sum of R346 750 against the Minister of Police before the High Court in Cape Town arising from Mr Rautenbach’s alleged unlawful arrest and detention at the local police station in Mossel Bay*.
Read More - S V Kruse 2018 (2) SACR 644 (WCC)
Mr Kruse, the accused, is deaf and mute (Afrikaans: “doofstom”).

Letters - October 2020

Congratulations to the subscribers who won the following books in this year’s book competitions:
It is with deep regret and much sadness that I learnt of the passing of W/O Herman de Bruin on 7 September 2020.
October Magazine Cover

Servamus' Mission

Servamus is a community-based safety and security magazine for both members of the community as well as safety and security practitioners with the aim of increasing knowledge and sharing information, dedicated to improving their expertise, professionalism and service delivery standards. It promotes sound crime management practices, freedom of speech, education, training, information sharing and a networking platform.