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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

Trevor Manuel and Max du Preez among the recipients of honorary doctorates at UFS graduation
2016-07-02

Description: 4 Hon Docs Tags: 4 Hon Docs

The UFS awarded four honorary doctorates
at its Winter Graduation ceremonies.
The recipients are from left Max du Preez,
Dr Reuel Jethro Khoza, Prof Joel Samoff
and Trevor Manuel at the UFS Chancellor’s
Dinner on 30 June 2016.

Photo: Johan Roux

He is excited about the young minds he saw and interacted with at the graduation ceremony of the University of the Free State (UFS). This is what Max du Preez, one of South Africa’s leading journalists and political analysts, said after receiving an honorary doctorate.

According to Du Preez (Humanities), he was inspired by the Winter Graduation ceremony on 30 June 2016 in the Callie Human Centre on the Bloemfontein Campus. He is happy to finally also call the UFS his alma mater. He grew up in Kroonstad and is a true Free Stater, but previously graduated at the Stellenbosch University.

The UFS awarded four honorary doctorates – the others to Prof Joel Samoff (Humanities), Trevor Manuel and Dr Reuel Jethro Khoza (both Economic and Management Sciences) – and two Chancellor’s medals at the morning ceremony on 30 June 2016. Chancellor’s medals were awarded to Antony Osler and Marguerite van der Merwe (née Osler).

Manuel impressed by amount of soul

At the Chancellor’s Dinner, which was held in the Centenary Complex on the Bloemfontein Campus on 30 June 2016, Du Preez said he feels honoured. He said South Africans must embrace the diversity of the country, and the UFS is a good example. “If the University of the Free State can make it, South Africa can make it.”

Manuel, a former South African Finance Minister, said he is honoured by the amount of soul he experienced from Dr Khotso Mokhele, UFS Chancellor, and Prof Jonathan Jansen, Vice-Chancellor and Rector of the UFS. “We cannot tolerate what is wrong (in the country) and need to push the boundaries of what is right,” he said.

UFS stands out regarding understanding


Dr Khoza, a distinguished thinker and businessman, also thanked the UFS at the Chancellor’s Dinner. “We shall strive to be known less for what we say, but rather more for what we do,” he said about the country.
According to Prof Samoff, Professor in Africa Studies at Stanford University (USA), “South Africa has committed itself to building a democratic, non-racist, and non-sexist society”. “Where the University of the Free State stands out, is in its understanding that societal change – ‘transformation’, to use the current terminology – is not an outcome, but a process. A difficult process.”

 

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