This may answer the "speedy trial" provision. The "speedy trial" provision of statute does not apply to the time the juvenile can be held pending charge.
The speedy trial provision of Sec. 5036 is not triggered until the juvenile is charged by information and thus obtains the status of an "alleged delinquent."7 Thus, the proper interpretation of the plain language of the applicable provisions reveals that until a juvenile has been charged by an information, pursuant to Sec. 5032, with the commission of an act of delinquency which would have been a crime if committed by an adult, pursuant to Sec. 5031, then the juvenile is not an "alleged delinquent who is in detention pending trial" for the purpose of invoking the thirty-day speedy trial provision of Sec. 5036.
US v. Juvenile Male, 74 F.3d 526 (4th Cir., 1996)