Sentence:  In this interview with Law Editors and Correspondents, he speaks on the gains of <WSD>reforming</WSD> the Directorate of Public Prosecutions (DPP), efforts to keep underage persons out of jail. 
Meaning of the word marked with <WSD> tags:  To put into a new and improved form or condition; to restore to a former good state, or bring from bad to good; to change from worse to better