Toth said:
What makes you think it was "not fresh"?
What exactly do you mean by 'fresh'?
If a stain were a week old would it be fresh? OR stale?
What about twelve hours old?
What about twenty-four hours old?
We seem to be going round and around in circles here.
Remind me of a man
(what man?)
A man with power
(what power?)
The power of Voodoo
(Who doo?)
You do
(Do what?)
Remind me of a man
(What man)
....
By not fresh - I mean that the foreign DNA degraded to less than 10 markers whereas JonBenet's DNA - which we know to have been deposited withing the previous 24 hours, was complete.
THAT is the problem that so many of us (including experts in DNA) have in believing that the DNA definitely came from her killer and WHY it is important to consider the fact that it may not have come from her killer.
Let's look at it another way.
A farmer has two hens which lay one egg a day. The white hen lays white eggs and the red hen lays brown eggs. One day, the red hen goes missing. A few days after that, the farmer find a white egg and a brown egg in the barn. The white egg is fresh, but the brown egg is starting to go off. Should the farmer still assume that his beloved brown hen came back in the night and laid him a degraded brown egg? Since the eggs are together, does that mean they were laid at the same time?
What does logic say about the DNA. Why should her killer's DNA degrade within 12 hours when her own does not?
If she scratched her killer, why has the DNA from the skin cells degraded after only 12 hours when it can survive for much
According to this article, most DNA degrades within 72 hours of death, but it can survive for decades and even centuries.
http://www.boston.com/news/local/articles/2003/12/25/dna_may_aid_hunt_for_roots/
So... to answer your question, with some questions....
Would a week old egg which had been kept in the cool be fresh or stale?
Would a two day old egg which had been lying in the sun be fresh or stale?
If you've got two samples of DNA and one is intact and the other is cracked and degraded - which is fresh and which is stale?