Complex sentence: Neri also carries out the murder of Michael's brother Fredo, under Michael's orders, while out fishing together on Lake Tahoe, Neri shoots Fredo in the back of the head.
Split into simpler sentences: Neri also carries out the murder of Michael's brother Fredo, under Michael's orders. While out fishing together on Lake Tahoe, Neri shoots Fredo in the back of the head.