Translation:The police officers found the bodies next to the river.
Body: גוף. Corpse: גופה. Bodies: גופים. Corpses: גופות. Masculine vs feminine distinction is important here. Another one that always gets me: חיים וחיות.
"Police officers" as oppose to "officers"? Should be an alternative answer
tip: I've been using the word cops throughout. It's always accepted and it's easier on the fingers!