Complex sentence: Salinas also argues, in the letter, that the information could help Saldívar be released from prison, he also stated that he feels remorseful for Saldívar because he had beaten her.
Split into simpler sentences: Salinas also argues, in the letter, that the information could help Saldívar be released from prison. He also stated that he feels remorseful for Saldívar because he had beaten her.