Complex sentence: Pablo Sanchez--a Mexican bandit leader, he is captured by the first four characters in New Mexico, thinking he is guilty for the train robberies; but when John realises Sanchez is innocent, he decides to free Sanchez from Fortezza.
Split into simpler sentences: Pablo Sanchez--a Mexican bandit leader, he is captured by the first four characters in New Mexico, thinking he is guilty for the train robberies. But when John realises Sanchez is innocent, he decides to free Sanchez from Fortezza.