What happened on the day Oscar Pistorius killed Reeva Steenkamp?

Oscar Pistorius and Reeva Steenkamp at the Feather Awards on November 4, 2012 in Johannesburg, South Africa. (Photo by Waldo Swiegers/Heat Magazine/Gallo Images/Getty Images)

Tom Watling
© UK Independent

On Valentine’s Day in 2013, Oscar Pistorius pulled the trigger four times on his 9mm pistol as Reeva Steenkamp stood inside a locked toilet cubicle in his home.

The vital question has still never been answered: Did the Olympic runner know he was shooting at and killing his girlfriend?