Amber Guyger's lawyer has asked to acquit her of murder or to substitute in a conviction for criminally negligent homicide, which carries a lesser sentence.
Jacquerious Mitchell, Michael Diaz Mitchell and Thaddeous Green were indicted on capital murder charges in the shooting of Brown in October.
Joshua Brown, a key witness in the trial of ex-Dallas police officer Amber Guyger, was shot dead on Friday.
The former Dallas police officer was the latest in a string of officers convicted in cases that involved the murder of unarmed Black people.
The Freedom From Religion Foundation accused Judge Tammy Kemp of violating church-state separation by proselytizing to the convicted former police officer.
The former Dallas police officer fatally shot the unarmed black man in his own apartment.
Former police officer Amber Guyger has been found guilty in the murder of 26-year-old Botham Jean. She killed him in his own home, and claims she mistook the apartment for her own.
Amber Guyger says she shot the man when she mistakenly entered his apartment instead of her own and confused him for an intruder.
Amber Guyger is charged with murdering Botham Jean in 2018 when she entered the wrong apartment and allegedly mistook him for an intruder.
Amber Guyger is accused of killing the unarmed black man in his apartment. She claimed she mistook it for her own unit and thought he was an intruder.