Choosing between the Oak Island money pit and the Somerton Man for my final paper

Had to pick one unsolved case for a 10 page history paper last semester. It was between the Oak Island treasure hunt and the Somerton Man mystery. I went with the Somerton Man, mostly because the timeline is tighter, from 1948 to now. Spent about three weeks down a rabbit hole of code pages and missing labels. The weird part was how many solid leads just stop cold. Anyone else get stuck on a case where the clues seem to point everywhere and nowhere at once?