It could be a 'putative" budgerigar stain.
The police could see by looking at it (it glowed under flourescence) that it was a vaseline stain. Vaseline glows under a black light.
If you knew anything about biology, you'd know spermatozoa only live any length of time in the fallopian tubes. Those that fail to reach the safe haven die very quickly.
To get DNA from spermatozoa, you'd need to extract the DNA from the spermatozoa head. Not much use if it is all dried up and shrivelled away.
In any case, Vaseline kills spermatozoa.
You do know the perps delayed the body being found for a considerable amount of time.
Raff expressed great concern the forensics would identify the spermatozoa as his and that was why the defence carefully declined from requisitioning a spermatozoa test.
Who needs all that science witchcraft nonsense?
