The court is being shown a floor plan of Oscar Pistorius' home. Prosecutors are trying to reconstruct events.
Pistorius' lawyers said he went to the bathroom without his prostheses, and that the angle of bullets is significant. An investigator says it seemed that the shots were fired "downwards".
Once you're in the bathroom, "there's no way out," says investigating officer Hilton Botha.
More top news
Orlando Bloom has visited children whose school was destroyed by shellfire during the conflict in Ukraine.
Jeremy Corbyn has launched a fresh attack on "ideological" Conservative cuts ahead of Thursday's elections.
Daddy Day Care star Eddie Murphy is celebrating the birth of his ninth child.