The Carly Gregg case is among the most disturbing true crime stories that drew national attention. Why? because it reveals that a teenager was accused of killing her own mother inside their Mississippi home.
Gregg was just 14 when prosecutors claimed that she shot her mother, Ashley Smylie, on March 19, 2024. Not only this, but clips also reveal her stepfather trying to seek help when he found Ashley dead and almost escaped from Gregg shooting him.
This means that the teenager also tried to end her stepfather’s life. This case quickly drew attention and is still discussed among many not just because of the shocking truth that a daughter ended her mother’s life, but also for the events that took place after the shooting.
Many people have since asked the same question: why did Carly Gregg kill her own mother? While no single simple answer exists, evidence presented during the investigation and trial suggested that there were family conflicts, secrets among the family members and the teenager’s serious mental health concerns which led to this tragedy.
Want to explore the case in detail? Read below.
The Carly Gregg case explained: Family conflicts and tensions at home


Carly Gregg had lived in Brandon, Mississippi, with her mother, Ashley Smylie, and stepfather, Heath Smylie. Ashley was a math teacher, while Heath was a physical therapist. The family appeared to be average, with no signs of any issues or problems.
But later there was evidence during the testimonies which suggested there had been tension within the home for quite some time. Reportedly, there were major problems like Carly being an indiscplned teenager and creatng troubles at school using marijuana
Craly Gregg constantly argued with her mom about breaking the rules (hiding phones, being secretive). On the day of the murder, Ashley found out from one of Carly’s friends that her daughter had drugs, vape pens and burner phones that had been hidden in her room.
Investigators believe this would have led to a confrontation between Carly Gregg and he rmother Ashley after returning home from school. This also means that being exposed must have played a big role in what happened next with Ashley.
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The Carly Gregg case explained: what happened on March 19, 2024?


Authorities explained that Carly went into her parents’ bedroom and retrieved a hidden .357 Magnum revolver. She then shot her mother three times, and after that Ashley Smylie died from gunshot wounds to the head and face area.
After the shooting, prosecutors said Carly attempted to hide evidence by removing a home security camera and placing it in the refrigerator. She also allegedly used her mother’s phone to text Heath Smylie, pretending Ashley had sent the message asking when he would be home.
Things became really horrifying when Heath returned home and saw his wife dead with Carly holding a weapon. The teenager even fired shots at him which injured Heath’s shoulder. Luckily, he managed to take the gun from Carly before she ran away and later got arrested.
The Carly Gregg case explained: Mental health defense and the teenager receiving life sentence
During the trial Carly’s attorneys argued that the teenager was suffering with depression and emotional instability. Not only this, but they also mentioned that Carly might have taken such a horrific step due to possible side effects from medication changes.
However, these claims did not work in Carly’s favor as she was also seen smiling during the trial. This was disturbing and heartbreaking at the same time because the teenager had just killed her mother and seemed completely unaffected by it.
Prosecutors rejected all the claims. They highlighted how Carly used her mother’s phone to send fake texts and tried to hide evidence by keeping the camera inside the refrigerator. Her actions were explained in detail to prove that Carly Gregg understood what she had done.
Finally in September 2024, a jury announced that Carly Gregg is guilty of first-degree murder, attempted murder and tampering with evidence. She was given two life sentences without parole, plus 10 years on the evidence charge. To date, she serving her time in prison.
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Edited by Alisha Khan