Her attorney filed a notice of appeal last week.
The Dallas deputy police chief put to rest rumors that Joshua Brown's shooting was some sort of retaliation for his testimony
Dallas cops say they have no known motive or suspects in the killing.
He was sitting in his own apartment, watching TV and eating ice cream.
"Not Racist But ...": Ex-Dallas Cop Amber Guyger Sent Sketchy Texts Months Before Murdering Unarmed Black Man
She was texting a friend and fellow cops, one of whom was her lover.
The ex-Dallas cop's lawyers had argued that “stand your ground” laws applied since she believed she was in her own apartment.
"Now we have to add living while black” to the list of reasons black people are being killed in "some of the most arbitrary ways,” said lawyer Benjamin Crump