It is unclear how the three men knew Brown or why they would have driven more than 480 kilometers to purchase marijuana in Texas.
During the drug deal, the four men began to argue and it quickly escalated into a physical altercation.
Michael Mitchell, 32, who is Jacquerious Mitchell's uncle, dropped Green off at an undisclosed location and then drove his nephew to a hospital.
Green contacted Brown about a drug deal and his two companions traveled with him from Alexandria, La., to meet Brown, police said.
She persuaded the crowd to take seats, and many aimed their comments at board members, stating their fears that they'd serve mainly to protect the police. Green and Mitchell are considered armed and risky.
He stated during the press conference, "The rumors shared by community leaders that Mr". "I assure you that is simply not true. We encourage those leaders to be mindful because their words may jeopardize the integrity of the city of Dallas and Dallas Police Department", Moore is quoted as saying by WFAA.
Diggs' brother, Bruce, told CBS 11 News that Brown was the intended target that early morning and his brother "was actually trying to break up the fight" when he was shot and killed.
Brown, 28 - who lived throughout the corridor from Jean on the time of the taking pictures - beforehand fled to California after repeatedly expressing issues that testifying within the Guyger trial would put his life in danger, based on Lee Meritt, who represents the Jean household.
Moore says the three were in Dallas to buy drugs from Brown, who was shot to death at an apartment complex.
"Jacquerious Mitchell gets out of the vehicle, but Joshua Brown orders him back in the auto and shoots him in the chest", Moore said.
Modi, Xi holding informal summit in bid to bolster ties
One of the more prominent developments has been an explicit statement of support from the Chinese military on the Kashmir issue. Geng's comments on Tuesday marks China's return to its original stand that Kashmir issue should be resolved bilaterally.
"This family and their representatives have consciously avoided speculating about law enforcement involvement in this tragedy".
The assistant chief chastised those who've connected Brown's death to his testimony in the Guyger trial.
The NAACP Legal Defense and Educational Fund Inc. previously requested an independent investigation into Brown's death, calling it "deeply alarming and highly suspicious" in a news release.
Another person on Twitter pointed out what was coming next for Brown, if he had lived, "For the record: #JoshuaBrown was also going to testify in the upcoming civil case against the city of Dallas and Dallas PD".
"These suspects are to be considered risky, because they are armed", Moore said.
Guyger was convicted of murder and sentenced to 10 years in prison last week.
Guyger and her partner also deleted sexual texts, which prosecutors recovered and said she was distracted by them during the shooting.