Just in: Fresh Melbourne murder mystery

[abaris]

Guys, I don't think I've come a cross this before?
How the hell can they not identify the sex unless a A post-mortem examination is performed.

Quite easily, depending on the level of decomposition. Without knowing the details and without being an expert in the field, the body wrapping gives a clue - depending on what they mean by cloth and how tightly it was wrapped. Depending on that, temperature and environmen, decomp would have a field day within a very short period of time.