They include fifteen suspected cultists, four suspected kidnappers who were arrested in military uniform, and fourteen suspected armed robbers.
Six of the robbery suspects were allegedly caught in the act of waylaying bank customers around Automated Teller Machines.
CP FRANCI ODESANYA said his men also recovered assorted firearms from the crime suspects.
Some of the suspects who spoke with newsmen narrated circumstances that landed them in police custody.
Our correspondent reports that the suspected criminals were paraded on the sideline of the security stakeholders meeting in Port Harcourt convened by the Commissioner of Police.