Central on Thursday and opened fire on Jean after thinking he was an intruder who'd broken into her home.
The shooting happened around 10 p.m. Thursday.
The unidentified officer remains in custody while the District Attorney's office and police determine appropriate charges, reports WFAA.
One of Jean's uncles, Earl Jean, took to Facebook to remember his nephew.
Webb said she couldn't comment regarding how the police officer got into Jean's apartment.
He described himself on LinkedIn as a "young professional, engaged in developing a career built upon integrity, dedication and relationships, leveraging useful technologies to gain an understanding of and add value in a range (of) industries, striving towards leadership in my career, my community and society". But Hall said Saturday during a criminal justice panel livestreamed on Facebook that the Texas Rangers, who took over the case, asked her department to hold off issuing an arrest warrant because they needed more time to look into information Guyger provided during an interview with investigators.
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The victim was treated at the scene and taken to the hospital where he was pronounced dead.
The officer involved in the shooting was not hurt.
The chief said blood was drawn from the officer to test for alcohol or drugs in her system. His uncle Ignatius Jean said the slaying left relatives looking for answers.
Frazier said Harding is affiliated with the Church of Christ and the university's students do missionary work in Saint Lucia.
Jean was born in the Caribbean and later moved to the United States, where he graduated in 2016 from Harding University in Arkansas. "He had a passion for service and uplifting leaders. Because of the subject, there was a particular old hymn that I asked him if he would mind leading", McLarty said.
Botham Jean is seen leading worship at a university presidential reception in Dallas, Sept. 21, 2017.
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"He did no one any wrong", the victim's mother Allie Jean told NBC News over-the-phone.
Jean worked at PricewaterhouseCoopers in Dallas, an worldwide company that does assurance, tax and advisory work for companies around the world.
Jean, a native of St Lucia, was listed on LinkedIn as a risk assurance experienced associate at PricewaterhouseCoopers.
"This is a bad tragedy", the professional services and auditing firm said via Twitter.
"Botham Jean was a member of the PwC family in our Dallas office and we are simply heartbroken to hear of his death".
Nathan Monan, a friend from Harding University, said Botham Jean was kind to everybody.
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