MERRILLVILLE, Ind. – Special Agent in Charge Robert J. Bell, Drug Enforcement Administration (DEA) Chicago Division, announced that the DEA Merrillville District Office, with assistance from the United States Marshal Service, arrested Nurse Practitioner (N.P.) Chijioke Richard Jimonu, 63, of Hammond, Indiana, for illegally prescribing controlled substance medications. N.P. Jimonu...