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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

Drama Department produces international stars
2011-05-20

 
Jefferson Dirks-Korkee en Mart Kotze
Photo: Leonie Bolleurs

Forbidden desires, secrets, lies and intrigue. Add a few well-known South African actors like Deon Lotz and Robin Smith for interpretation and you get the first Afrikaans South African film ever to be shown at the Cannes Film Festival from 11-22 May 2011.

It is all very well, but where does the University of the Free State (UFS) fit into the picture?

Jefferson Dirks-Korkee and Mart Kotze, two of our drama students – Jefferson being an Honours student and Mart a master’s student – each scored a small role in the film Skoonheid, when director Oliver Hermanus sent a team to Bloemfontein for auditions.

Skoonheid is the first Afrikaans South African film that has been nominated for a Cannes award. “Robert de Niro is the president of the panel of adjudicators,” says an excited Jefferson, who plays in a silent scene in the film. He and Mart, who plays a cashier, are very pleased with the opportunity to appear in this production.

Although it is the first time that Jefferson appears in front of the cameras, he has already participated in a few stage productions like Jonas and Boermanie. Mart also featured in Boermanie and Tailor Made.

They invite everyone to their performances at this year’s Vryfees in July. In Piet se tante Jefferson will debut as Windvoël and Mart will play as Lucia-Anne in Die kaskenades van Kees Kieswetter.
 

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