4th set of human remains found in Lake Mead
By Bill Hutchinson
FOURTH set of human remains found in drought-hit Lake Mead as man says second body his drowned dad
By Harriet Alexander
Fourth set of human remains found in Lake Mead as water levels hit record low
By Priscilla DeGregory
More human remains discovered in Lake Mead's receding waters
By Elizabeth Wolfe & Nouran Salahieh