The photographer's brother brings in five rolls of film to the crime lab, with a note stating that they will clear him of murder. But Archie only develops 4 rolls.
The search for the body is supposed to take place at Furnace Creek, 66 miles from a Vegas location. That location is shown on a map to be in Clark County, and thus in Nevada. But Furnace Creek is actually in Death Valley, which is in California, and roughly 120 miles from Vegas.