Abstract
This paper seeks to critically examine the law and policy in criminal Justice Administration and Sentencing in Nigeria since the return of constitutional democracy in 1999 and how it affect the convicts in criminal adjudication. The prospects and challenges faced in providing a quick dispensation of criminal justice administration by the agencies as well as the roles played by these institutions such as the Police, Prosecutions/Prosecutors, Courts, and prisons shall be highlighted. A look at the legislation for improving the nature and efficiency of the criminal justice system and sentencing in the state. This paper is primarily concerned with the sentencing decisions, mitigating and aggravating factors in Nigerian sentencing practice although it is acknowledged that sentencing does not exist in isolation from other parts of the process, especially the prosecution of offences, adjudication and the administration of sentences. ‘’Where ever there are people and laws, there are crimes and criminals……..’’ Emile Durkheim.