Complex sentence: Marcello was then charged with consorting with known felons and after a long drawn out legal battle he was eventually convicted of assaulting an FBI agent whom he had punched in the face on his return to Louisiana.
Split into simpler sentences: Marcello was then charged with consorting with known felons. After a long, drawn-out legal battle, Marcello was convicted of assaulting an FBI agent whom he had punched in the face on his return to Louisiana.