Cincinnatians are urged to wear blue Friday to honor a police officer killed in a shootout with a suspect, as a university honors the officer by offering free tuition to his sons.Mayor John Cranley asked residents of Cincinnati and the region to wear blue on Friday when Cincinnati officer Sonny Kim's funeral services are scheduled. Click here for information on the funeral services.Watch this storyCranley also asks that U.S. flags in the region be flown at half-staff until Kim's funeral.University of Cincinnati President Santa Ono said Kim had attended UC, which is now honoring him by offering free tuition to his three sons. Click here for full storyPolice say Kim was killed Friday by an armed suspect later fatally shot by another officer.The suspect's grandmother has publicly apologized to Kim's family and offered her condolences. Click here for full story.