She was brought in by family members with a gunshot wound on her upper body.
The suspects are expected to appear in court today facing charges of armed robbery and other related charges.
The teacher’s body was found in a shallow river at Enkhaba Trust.
The suspect was tracked and arrested on Sunday at his hideout in Sabie.
NPA spokesperson Monica Nyuswa said the pair was arrested after the police conducted a joint operation including SANParks in the Acornhoek police cluster.
The suspect will appear in Nkomazi Magistrate’s Court today.
“The vehicle was pulled off the road and upon searching, two rhino horns wrapped in a foil and stashed in the spare wheel compartment were found,” said Sergeant Sedibe.
Anyone with information is urged to contact Det Col Kgobeng Magakwe on 082-302-6621 or the SAPS Crime Stop number, 08600-10111.
Her lifeless body was found in the boot of her car parked on the premises. Her mouth was wrapped with bandages and an electric cable was found around her neck.
Their sentencing proceedings were postponed to August 23 following the defence lawyer asking for more consultation time.
According to police, Prince Sifiso Khoza and Bernard Khumalo were arrested when police were patrolling the area.