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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

Two OSM students selected for KZN Philharmonic Youth Concerto Festival
2016-06-13

Description: Ketumile Moleleki designs KovsieGear  Tags: Ketumile Moleleki designs KovsieGear
Kamu Magou has been an occasional
studies student in violin performance
for the last four years at the Odeion
School of Music.
Photo: Supplied
Two students from the Odeion School of Music (OSM) at the University of the Free State have been selected as soloists to be part of the KwaZulu-Natal Philharmonic Orchestra National Youth Concerto Festival.

The cellist Chris van Zyl and violinist Kamu Magou will be part of the festival taking place on 29 September 2016 in the Durban City Hall. The KZN Philharmonic presents the festival annually, with the aim of providing gifted young musicians an opportunity to rehearse and perform with a professional orchestra. The orchestra will be conducted by Lykele Temmingh.

Cricketer playing cello since age of six

Chris, who is under the tutelage of Prof Anmari van der Westhuizen from the Odeion String Quartet, is a first-year student at the OSM. He will perform Tchaikovsky’s Pezzo capriccioso, Op. 62, for cello and orchestra.

He started playing the cello at the age of six, under the tutelage of Michael Haller, a respected cello pedagogue and cellist of the then Odeion String Quartet.

Although a gifted musician, he also loves cricket, and, as a youngster, his mother had to bribe him by bowling plastic cricket balls in the lounge in exchange for five minutes of cello playing.

Violin student in residence in Amsterdam

Kamu has been studying violin under Sharon de Kock from the Odeion String Quartet, her violin lecturer at the OSM, since high school. She has been an occasional studies student in violin performance for the last four years.

Kamu, who is pursuing a BCom degree at Unisa, was in residence for a week recently at the acclaimed Royal Concertgebouw Orchestra in Amsterdam. She and the Bloemfontein double bassist, Siyolise Nyondo, were part of an initiative by the South African Youth Orchestra Foundation.

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