Got a problem with Burger's testimony.
She said she heard a woman screaming, then a man shouting for help three times, then gun shots.
If OP intended to kill RS, why is he shouting for help before he shoots her? This supports his account, which is that he shouted for help after firing the shots. So did Burger really hear the cricket bat, not the gun shots?
However, OP's story rests on there being no screams from RS at any point. So we're then back to the idea that Burger heard OP screaming, not RS.
None of this makes any sense to me.
Burger's testimony that she heard a woman screaming, and then escalating into a blood-curdling climax followed by gunshots, then silence, does not support OP's account.
Burger said the woman's voice shouted for help, then the man's voice shouted for help.
Why would OP do this? Here's your possible answer:
RS screamed for help. Multiple witnesses heard this. Maybe she was already beaten or shot. OP had to cover her screams. He screams "help, help, help" out the door then closes the door and pulls the blinds so he could say if anybody heard RS scream it was really him screaming.
If OP were bringing in the fans because he was hot it would make no sense to close the doors.
What does make sense about closing the doors and pulling the blinds is that he didn't want anybody to see or hear what was going on in his bedroom. To use OP's own words, RS was trapped in the bedroom. She was found dead behind a locked bathroom door.
According to OP only after he saw she wasn't in bed, but before he knew she was behind the toilet door, did he open the outside door again and scream for help.
Use common sense.
What are the chances that 4 witnesses heard sounds that they thought were a woman in an argument and possibly being attacked, and gunshots, but they were mistaken about what they heard AND the exact event they thought they heard actually did happen a few minutes prior to the sounds they heard.
According to OP all four witnesses mis-identified OP's sounds as the sounds of a woman screaming and gunshots being fired just minutes after a woman was killed in his bathroom by gunshots.
It's inconceivable that OP killed a woman with 4 gunshots then he himself replicated the sounds of a woman in an argument being killed by 4 gunshots.
OP then asks the court to believe that the witnesses didn't hear the actual killing, but instead heard him replicating the sounds of the killing a few moments after the actual killing.
The problem isn't with Burger's ear-witness account, or with the other 3 witnesses who heard a woman screaming. The problem is with OP's lame attempt to justify why he shot four times, killing a woman locked behind his toilet door.