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16 October 2020 | Story Leonie Bolleurs | Photo Supplied
Kyla Dooley, runner-up in this year’s Three-minute thesis competition, wants to pursue a career working alongside police enforcement, using her knowledge of forensics to solve criminal cases and convict perpetrators.
When rapes and sexual assaults are committed, DNA evidence can play a large role in convicting the offenders. DNA evidence collected from sexual crimes can, according to Kyla Dooley, often be tricky to analyse.

Kyla has just completed her master’s degree, specialising in Forensic Genetics, at the University of the Free State (UFS). She not only thrives in this field – graduating at the top of the Faculty of Natural and Agricultural Sciences in 2018 when she was awarded the Dean’s Medal – but her work also brought her the runner-up position in this year’s Three-minute thesis competition. 

She talked about her research on the use of male-specific DNA in the analysis of DNA evidence collected after crimes of a sexual nature have been committed.

Explaining her research, Kyla elaborates: “In most cases, the victim is female, while the offender is male. Therefore, the evidence is often a mixture of male and female DNA and this can make it difficult to analyse the male DNA and match it to a male suspect.”

She believes the solution to this is to target male-specific DNA in analysis. “This eliminates all female DNA and simplifies the process,” says Kyla.

“Unfortunately, male-specific DNA technology is not currently used in South Africa, because the DNA regions tested to date haven’t shown much success in distinguishing between males in our population,” Kyla points out.

“The goal is now to use DNA evidence, to match it to a suspect, and have the confidence that it came from him and only him. Or else defence lawyers could argue that it came from someone else in the population,” she says.

Improving DNA evidence

Therefore, Kyla’s research focused on evaluating a new group of male-specific DNA regions, which are to be tested yet, to see if it would be a viable option for use in South Africa. 

“I achieved this by collecting DNA samples from men on campus, processing them to obtain DNA profiles, and then determining how well these regions can distinguish between the men. The results of my research demonstrate the potential of these DNA regions to improve the use of DNA evidence when investigating sexual assaults in South Africa,” says Kyla.

She believes her study can play a role in increasing the conviction rate of sexual offenders, which could lead to a reduction in South Africa’s alarmingly high rape statistic. 

“Everyone in South Africa is affected by this horrific crime in some way or another, so the benefits of this would be widespread,” she says.

Solving crimes

Although Kyla will one day pursue further studies, she is ready for the next stage in her life. “I am in the process of applying for jobs and getting ready to dive into the real world. I’ll definitely be pursuing a career working alongside police enforcement to solve criminal cases and convict perpetrators of such crimes. Working for the NYPD in the USA or Scotland Yard in the UK is the ultimate dream job,” she says.

“I chose my field not only because the forensics world absolutely fascinates me, but also because I want to make a difference. I want to play a role in getting justice for those affected by violent crimes. One simple process in a forensic scientist’s everyday routine could be a life changer for a victim of crime,” believes Kyla.

 

 


News Archive

UFS acknowledge 53 for long service
2004-11-03

Long service awards for 35 years: Mrs. Christa du Plessis, Centre for Higher Education studies and Development, mnr. John Moorosi, Soil- and Crop- and Climate Sciences , prof. Frederick Fourie, rector, prof. Jopie Botha, Institute for Groundwater Studies, me. Susan Reineke, Plant Sciences, Dr. Sarie van Vuuren of Sociology and me. Aletta de Klerk, Kovsie Sport.

Fifty three personnel members received long service awards in the centenary year of the university for respectively 35 years of service and 25 years of service.

Prof. Frederick Fourie, Rector, said to the recipients of the long service awards: “In a year in which the writing of history of the UFS took a prominent place in the Centenary celebrations and in which one relived the past hundred years, the value we add to the university on a daily basis is clearly visible. Many personnel members contributed to make the UFS a valued institution and will proceed to do that in the spirit of 100+.”

He thanked and acknowledged personnel for the plus they add to each day’s work. “The students which enter the UFS each year, want to thank you for an university which on an innovative manner impacted their lives. “You helped to create the building blocks for their future,” he said.

Prof. J. F. Botha, Mr M.G. Botha, Ms A. De Klerk, Mr M.J. Doman, Prof. H.C. Janse van Rensburg and Ms S.M.C. Reinecke received awards for 35 years of service.

For 25 years of service at the university Prof. S.L. Barnard, Mr B. Botma, Dr H. J. Breytenbach, Dr M.W. Brussow, Mr N.L. Combrink, Ms A.J. Du Plessis, Ms C. Du Plessis, Prof. L. Goedhals, Mr M.E. Hlazo, Prof. B.B. Hoek, Dr S.J.E. Janse van Vuuren, Mr M. Kgasane, Ms A. Kgosi, Dr W.P. Konig, Dr P.A.L. Le Roux, Prof. N.J. Luwes, Dr N. Luyt, Ms S.E. November, Ms M. Mabaso, Ms M.K. Maruping, Prof. J.D. Marx, Mr J.P. Masedi, Mr G. Mokapane, Mr J. Mokapane, Ms M.L. Molosi, Ms M.M. Molwagale, Mr P.J. Moorosi, Ms C. Moroagae, Ms E. Moroale, Mr G.G. Mothokwane, Prof. M. Mulder, Prof. A.C. Otto, Ms H. Pelser, Ms E. Pelzer, Ms M.M. Pheko, Prof. E. Pretorius, Ms M.P. Richter, Ms E. Rouls, Prof. M.T. Seaman, Prof. R.B. Snowdowne, Prof. J.P. Strauss, Ms M.S. Tsolo, Prof. H.J. van der Linde, Dr S. van Vuuren, Prof. J.B. van Wyk, Dr J.M. van Zyl, Prof. T. Verschoor and Ms M.H.S. York received an long service award.

“Be assured of my appreciation for your loyalty and commitment to a university which is taking careful steps into a new century of its existence. If we do the right things right and with a sincere belief in our heavenly Father we will be able to build on the solid foundation laid by people like you,” he said.

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