‘need to work together’: Fr Dwight Black, second from right, chats with Acting Superintendent Mark and Acting Superintendent Dillon following yesterday’s Interfaith Service for the Police Service Northern Division at Santa Rosa RC Church, Arima. – Photo: CURTIS CHASE Senior Supt in charge of the Northern Division, McDonald Jacob, said yesterday there was a 23 per cent detection rate last year for serious crimes, and a minor crimes detection rate around 58 per cent.