Complex sentence: DeWitt rose from deputy sheriff to Director of the Justice Division for Santa Clara County, leaving his post in Silicon Valley in 1984 to become a Fellow at the Department of Justice, where he was responsible for corrections and law enforcement programs.
Split into simpler sentences: DeWitt rose from deputy sheriff to Director of the Justice Division for Santa Clara County. DeWitt left his post in Silicon Valley to become a Fellow at the U.Department of Justice in 1984, where he was responsible for corrections and law enforcement programs.