The 19-year-old arrested by Baton Rouge police on Friday, accused in two homicides and an arson, is also believed to be part of a small criminal gang, police say.
Jemile Causey, 19, was booked on multiple counts of first-degree murder, contributing to the delinquency of juveniles, simple arson and various weapons charges.
Police arrested him in connection with the shooting deaths of a 17-year-old Northdale Academy student in January and a 25-year-old LSU dining hall employee on Tennessee Street in October…