Marquis Jefferson suffered a cardiac arrest and was taken to the hospital Friday night, November 8, Carter said.
The officer was charged with murder in the October 12 shooting death of 28-year-old Atatiana Jefferson - a case that has drawn national attention.
In the days after Atatiana's death, Marquis Jefferson was embroiled in an unusual legal battle over his daughter's funeral. Carter tells KDFW that Jefferson "just couldn't get back from what happened with his daughter". "He just couldn't get back from what happened with his daughter". "Had her whole life in front of her".
Civil rights lawyer S. Lee Merritt, who is representing Jefferson's family, said on social media that he was "saddened" to learn of Marquis Jefferson's death and that "he knew and loved Atatiana Jefferson since she was born".
As rolling out previously reported, Atatiana Jefferson, a pre-med graduate of Xavier University in New Orleans, had recently moved in with her ailing mother in Fort Worth. "She say, 'Tay was shot, '" he told KTVT-TV the day after the shooting. A concerned neighbor had contacted police after seeing the door to Jefferson's home was open.
According to NBC5, she had grabbed a handgun from her purse after hearing a noise in her backyard and went towards a window.
Officer Aaron Dean was forced to resign and is now facing a murder charge for the incident. Body-worn camera footage shows Dean approach Jefferson's window and open fire nearly before he finishes shouting for Jefferson to put her hands up.
Aaron Dean, a white police officer, shot Jefferson, a 28-year-old black woman, while investigating an open door call at her home in Morningside in the early-morning hours of October 12.