Complex sentence: The inmates who escaped, two of the notorious Briley Brothers (James and Linwood), Lem Tuggle, Earl Clanton, Derick Peterson, and Willie Jones, had observed how correctional officers were complacent in following procedures.
Split into simpler sentences: The inmates who escaped consisted of two of the notorious Briley Brothers (James and Linwood), along with Lem Tuggle, Earl Clanton, Derick Peterson, and Willie Jones. They had observed how correctional officers were complacent in following procedures.