William Green, 43, was seated in the front passenger seat and was handcuffed when he was shot multiple times.
Former Dallas police officer Amber Guyger was still in uniform when she murdered Jean with her service weapon.
Judge Tammy Kemp, who faced backlash after gifting Amber Guyger a bible and hugging the convicted murderer, said that she "could not refuse" the request.
Details on the death of Joshua Brown, a key witness in the Amber Guyger trial are being released. A $100,000 reward has been offered to help.
In a shocking display of kindness, Botham Jean's brother and the judge presiding over his case, embrace his murderer during her sentencing.
State District Judge Tammy Kemp blocked part of the lead investigator's testimony where he opined that Guyger was justified in her actions.
Prosecutors argued that the former Dallas cop failed to notice several signs that she was not at the right apartment.
Amber Guyger, who was indicted on a murder charge last year after killing Botham Jean, faces up to life in prison if convicted.
'I Thought It Was My Apartment,' Amber Guyger Repeats 19 Times In 911 Call After Shooting Botham Jean
Amber Guyger is scheduled to go to trial for murder in September, which will mark one year since she fatally shot Botham Jean.
Allison Jean, Botham Jean's mother, also thanked the community for the outpouring of support that has thrust her son's case to the spotlight.