Complex sentence: In 1993, Keith Kaneshiro, who was then prosecuting attorney for the City and County of Honolulu, attempted to re-open the case, but after more than 300 hours of grand jury testimony and thousands of dollars spent on the investigation, no charges were filed.
Split into simpler sentences: In 1993, Keith Kaneshiro, who was then prosecuting attorney for the City and County of Honolulu, attempted to file a case. But after more than 300 hours of grand jury testimony and thousands of dollars spent on this case, no charges were filed.