Picket’s testimony lasted over 3 hours. He told the jury that based on everything he’s observed, the 15-year-old is not insane and shows manipulative and psychotic behavior.

The state called their final witnesses to the stand in the trial of the Rankin County teen accused of killing her mother. On Thursday, the state brought forth expert witnesses in rebuttal. They said there were contradictions in Carly Gregg’s story after her arrest in March 2024.

Fifteen-year-old Carly Gregg is on trial for the murder of her mother, Ashley Smylie, and the attempted murder of her stepfather, Heath. The trial has drawn attention due to Gregg's unusual behavior in court and a video presented as key evidence by the prosecution.

A young girl is standing trial on charges she murdered her mother, shot her stepfather and invited a friend to see the bodies. Carly Gregg stands and speaks to the judge in court on Sept. 18, 2024. (Court TV) Carly Gregg,