The man who shot and killed his whole family in Secunda last week was distressed after his gifted son googled the symptoms of muscular dystrophy – an illness he suffered from, Rapport reported on Sunday.

According to the report, the 17-year-old Hoërskool Secunda pupil was left with several questions about his condition.

On Thursday, André Naudé, 50, shot his son Henko, his wife, Lizelle, 52, and his elderly mother, Tina, 83, before turning the gun on himself, The police were called to the grisly scene on Friday at around 08:00 after Lizelle failed to show up at a school for disabled children, where she was employed as a teacher.

Lizelle celebrated her 52nd birthday on Christmas Day.

Andries Lee of Romans Security had visited the Naudé couple’s house, where he discovered the dead bodies.

According to Rapport, André was upset that Henko had googled about his illness.

According to police spokesperson Captain Gerhard Elmes, Lizelle, Henko, and Tina were all found in their beds with bullet wounds to their left temples.

The police discovered André in the main bedroom sitting on the toilet.