Complex sentence: In March 1967, after Vice-Defense Minister and counterinsurgency coordinator Col. Francisco Sosa Avila was named director-general of the National Police, a special counterinsurgency unit of the National Police known as the "Fourth Corps" was created to carry out extralegal operations alongside the SCUGA.
Split into simpler sentences: In March 1967, Vice-Defense Minister and counterinsurgency coordinator, Col. Francisco Sosa Avila was named director-general of the National Police. As director-general, Col. Sosa activated a special counterinsurgency unit of the National Police known as the "Fourth Corps" to carry out extralegal operations alongside the SCUGA.