The victim's mother Allison Jean said she wants to see the toxicology report for the off-duty officer to determine if any drugs were in her system at the time of the shooting. She told investigators that she had just ended a shift when she returned in uniform to the South Side Flats apartment complex. A manager declined to indicate exactly when Guyger left and if she moved out voluntarily, according to the Dallas Morning News.
According to the statement, an internal affairs probe determined that she "engaged in adverse conduct" for being arrested for manslaughter in the shooting death of neighbor Botham Shem Jean, 26.
Police Chief U. Renee Hall said at a town hall Tuesday she couldn't fire Guyger before an internal investigation.
Sgt. Michael Mata, president of Dallas' largest police union, the Dallas Police Association, said Guyger was a respected officer and well known to investigative units in the department because she worked on a high-risk team tasked with arresting some of the most violent offenders.
Earlier, authorities released a video showing Guyger being booked into jail after she was arrested. Guyger claimed the door was ajar and she was able to open it.
On Sept. 14, protesters rallied from the Dallas Police Department, near the apartments where Guyger shot Jean, to downtown. An internal affairs investigation found she "engaged in adverse conduct when she was arrested for manslaughter" and she was sacked due to her "actions" the night of the fatal shooting.
Guyger has been with the department since 2013.
Officials said a grand jury will hear the case.