Complex sentence: Carcaño also claimed to have called a friend, Samuel Benítez Pérez, from a payphone in León XIII, and asked him for help to move the body to Camas, where they threw it on the Guadalquivir River near a point called Charco de la Pava.
Split into simpler sentences: Carcaño also claimed to have called a friend, Samuel Benítez Pérez, from a payphone in León XIII, and to have requested his help moving the body to Camas. Here, they threw the body on the Guadalquivir River near a point called Charco de la Pava.