PRETORIA, South Africa (AP) — Prosecutors on Wednesday changed the focus of Oscar Pistorius’ murder trial to the world-famous athlete’s character and trustworthiness. In the Pretoria court they raised an incident when a gun was accidentally fired in a packed restaurant while being passed to Pistorius and, according to a witness’ testimony, the Olympian asked a friend to take the blame.

The switch to one of the other three firearm-related counts Pistorius faces alongside the main charge of murder in his girlfriend’s shooting death also came after defense lawyer Barry Roux cast doubts on two prosecution witnesses’ recollection of events surrounding Reeva Steenkamp’s killing.