It looks like she did say it last trial from this reportingIt's sad that this testimony was obviously coached. She never said "Maybe I like...hit him" in the last trial. Using a devastated and traumatized child is horrible!
After Assistant District Attorney Laura McLaughlin showed her documents to refresh her memory of her prior testimony, the teen told jurors she also heard Read say, “maybe I hit him.”

John O'Keefe's niece's testimony wasn't livestreamed due to her age. Here's what she said.
O’Keefe’s niece was just 14 years old when her uncle “JJ” died. She took the stand in Karen Read's murder retrial Wednesday.
www.boston.com