Possible Clues:

• A lot of people in the police turn up full of energy
• Exhibiting charisma
• Back there, there ius a considerable number among the detectives that are go-ahead
• Of, full of, energy
• Very active detectives catching quite a few after hold-up
• Energetic policemen round a lot of people up
• I'm back with the candy for 17 accross
• Being so active, the CID gets back about a large number
• Energetic, with great force of character
• Can you get such a number that are so energetic back into the CID?