The Ondo State Police Commmand has paraded four members of an armed robbery gang that robbed and killed six persons including two PoS operators and two Filling Station attendants in Akure, the state capital.    The leader of the gang, Banjo Adu, 24, in an interview with newsmen on Thursday, said he killed the female PoS operator, Miss Adetutu Nofisat Ibrahim because the 28-year-old staff of First Bank refused to hand over her money on time.    Ms. Ibrahim was murdered in August …