The remains of a man who was shot in the head and stuffed into a rusted barrel found on the shore of Lake Mead after the water level dropped were identified Thursday as an Arkansas man whose decades-old killing remains unsolved.

Edward Lelburian Jackson was in his mid- to late 50s when he died, Clark County Coroner Melanie Rouse said. Authorities are looking for people to come forward to help solve Jackson's killing.

There was no evidence directly linking the killing t...