A juvenile charged with murder in the 2020 shooting death of a 17-year-old will remain detained in a juvenile facility pending trial, a judge ruled Tuesday. Jaqui Profit was 16 years old when he allegedly shot Jason Jones in the back of the head in a Millville alleyway on Thanksgiving. Profit was charged with first-degree murder at the time, but the case remained in juvenile court until last month, when a prosecution waiver to try him as an adult was granted. Profit, who is now 17, appeared via video Tuesday from the Harborfields youth detention facility in Atlantic County as Deputy Public Def…