There are images here somewhere of two Palestinians killed wearing wetsuits like you described. They were definitely Palestinians killed by Israelis. I hope this helps you with your search.
As for me, I've been looking over a decade for one picture I saw. Someone posted pics from "Life" magazine and I hoped it would be there but it wasn't. This picture was in the inside cover of Life magazine and it was a great color photo of a hot dead British cop killed by members of the IRA. He was so hot maybe in his thirties or forties and the mob of IRA thugs had stripped him down to his underwear and socks which were dirty from the dirt he'd been dragged through. I think there was a priest there praying for his soul. I had saved it but I lived at my parents and they threw out my stash of magazines.