The 21-year-old student and her friend Cheslin Marsh, 22, terrifying ordeal began when they were carjacked in the middle of the night in May 2017.
Hannah was forced between the front seats of her own blue and white Volkswagen Citi Golf car along with pal Cheslin.
They were then driven about until their abductors decided to murder them.
Cheslin survived but Hannah was gang raped repeatedly and taken to a secluded spot in Stellenbosch, South Africa, where she was stabbed in the neck and a huge rock dropped on her head.
Yet the marauding brutes did not stop there they carried on and attacked two more women, TimesLIVE reported in a video called "11 Hours, 4 Victims, 1 Hell Ride".
May 27, 2017
3.23am
CCTV footage filmed from a nearby shop captured Hannah's Volkswagen as she pulled into a grass patch to drop off her friend Cheslin.
They had been out dancing and playing dominoes and sat talking for a few minutes, oblivious to the approaching gang.
Video shows four men – Nashville Julius, 29, Geraldo Parsons, 27, Eben Van Niekerk, 28, and Vernon Witbooi, 33 – walking over.
Julius and Witbooi had told police in separate interviews they were on their way to a block of flats but they spotted a car with two passengers inside.
They decide to approach and rob those inside.
3.30am
Armed with a screwdriver and a flick knife, they attack Hannah and Cheslin as they sit in the car.
The screwdriver is held to Hannah's breast and the pair are robbed.
She has her purse and mobile phone stolen and Cheslin has his handset taken along with his wallet, backpack and earrings.
Julius left the scene after the robbery.
But the other three kidnapp Hannah and Cheslin.
Cheslin was forced into the back seat and Hannah was shoved between the two front seats as the car was driven off at 3.40am.
4.34am
Hannah's car is driven to petrol station where she is seen in the front passenger seat.
This is the last time Hannah is pictured alive.
Meanwhile Cheslin has been forced into the car's boot.
Witbooi gets out and goes in the station where he tries to withdraw money from Cheslin's bank account, although this is unsuccessful because he was given the wrong PIN.
The group drive off and head to Kraaifontein.
5am
In his interview, Witbooi tells detectives Hannah is alive at this point and obeying the men's demands.
He said: "(Hannah) didn't talk at all. She just looked out in front of her."
The men tell her they want to use her car to go back to their homes and they will give it back and let her go, but they are lying.
5.30am-6am
They stop in Kraaifontein. Here Cheslin is forced out of the car and brutally beaten with bricks for giving the wrong PIN.
Terrified Hannah asked the men what they were planning to do.
It was still dark outside, but Cheslin tells investigators he remembers seeing two men wielding bricks.
He said he closed his eyes and prayed and was then knocked out and left for dead. He did not regain consciousness until the day after.
Cheslin was left traumatised after the attack and is deaf in one ear.
6am-7.30am
Leaving Cheslin in a pool of blood, the men take Hannah to a secluded paintball site on Bottelray Road where she is gang raped.
They force her back into the car and drive about 12 miles from Stellenbosch to a farm road next to a stream and a vineyard.
They stop and drag her out of the vehicle.
Hannah is stabbed in the neck and large rock is dropped on her head, crushing her skull, before the rapist murders – Parsons, van Niekerk and Witbooi – leave her dead body and drive off.
Their murder trial heard Hannah had pleaded with her kidnappers, saying they could sexually assault her if they spared her life.
Parsons told the court the group believed they had killed Cheslin and admitted being the first to rape.
He claimed the men planned to leave her on a farm, but she that she had struggled.
According to Times Live, he told the trial: "She didn’t want to climb out of the boot. She was holding on to the car. She started panicking.
“Eben came up and stabbed her."
He claimed to have pleaded with Witbooi not to kill her, but she was hit twice over the head, killing her instantly.
After killing Hannah, the men continue their crime spree after sunrise, chasing a woman walking to work in Kraaifontein before stealing her bag and phone.
They chase her down and steal her bag and phone.
1pm
Several hours pass but the men are still on the prowl in Hannah's car.
At 1.12pm, they drive to a petrol station in Brackenfell.
CCTV here shows Witbooi wearing a different pair of trousers.
He withdraws 3,000 rand (£161) from the bank account of the kidnapped woman, who is in the back of the car.
She is freed a short time later near the spot where Hannah was raped, and van Niekerk is soon dropped off.
At least one other woman was also attacked.
2.12pm
Eleven hours after attacking Hannah and Cheslin, Parsons and Witbooi are spotted driving the car by undercover cops who follow it and are soon joined by a marked police van.
This leads to a high-speed chase which comes to an end on a farm road.
The men ditch the car and try to flee on foot, but they are arrested shortly after.
Killers found guilty
On Wednesday, Parsons, van Niekerk, and Witbooi were found guilty of kidnapping, robbery, rape and murder.
Julius was found guilty of robbery and kidnapping.
All four had pleaded not guilty.
They are due to be sentenced on Monday.
Afterwards, Hannah's heartbroken dad, Willem, recounted how the student's 56-year-old mother, Anna, drowned months after the murder after becoming "a shadow of herself".
Anna was found dead on a beach in Scarborough, Cape Town, in March this year.
Mr Cornelius said: "I do not believe that she committed suicide… but what I do believe is that she did not have the physical or mental strength left to counter any difficulties that she may have experienced."
He added: "She became a shadow of herself… frantic, almost manic in everything she did.
"Outwardly still in control but inside she had very little to give – there was very little substance."
He said his autistic son was unaware for some time of Hannah's death.
Struggling to hold back the tears, the former magistrate added: "I believe our family died with (Hannah).”
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