Kaosium
Philosopher
- Joined
- Oct 12, 2010
- Messages
- 6,695
Kaosium, I've seen you write this and link this study many times before but I've often wondered if you read the conclusion where the author notes that of the 250 substances tested in the study, 240 do not produce sufficiently intense luminescence to easily be mistaken for blood.
If they glowed bright enough for only the eight to apply, they cannot be blood because they tested negative with TMB, that's what I've been getting at! Stefanoni pretended that dilution could cause the negative TMB test, as per the Massei cite in the post you responded to. If they are that diluted so as to give a TMB negative, they cannot glow that brightly. We're way past pretending you found a 'gotcha' by noticing the percentage chemiluminescence of only eight of those substances is similar to hemoglobin.
The context of my using that study in this instance was different, it was if the photography or picture program was played with to make it look brighter than it was, (meaning it might well have still been highly diluted blood) then we're back to that study with the 250 endproducts they found in common households they could have brightened so it still was basically impossible to prove it was the result of the bathmat boogie. I was falsifying my own hypothesis. Also keep in mind that list of 240 & 8 is not exhaustive, it's just what they used in that study.
However if the glow was naturally that bright then the odds are extreme it wasn't blood, the dilution case in Massei is disproven by the appearance of the photographs and Stefanoni's testimony they were that bright and the negative TMB test. Also, the one thing the 'bathmat boogie' allows for is the chaotic distribution of the footprints, as while they head in the same general direction, they don't do it like someone was just walking, but if someone was motivating themselves along on a bathmat I could see how for balance and other reasons they might end up off the mat and the distribution looking something like that. No bathmat boogie and odds again become that they weren't simultaneous to each other as the pattern would be so strangely skewed, thus they probably happened on different occasion and might well have been different little female feet, like Meredith's for the one going into her room.
Nine apparently do, which are the oft quoted turnips, horseradish, bleach etc. If the footprints are completely unrelated to the crime then is it reasonable to conclude by their strong reaction to luminol that they must be made in one of the nine? And because we know bleach dissipates rather quickly and would not be a source of interference so long after the crime, we can discount it, leaving 8 plausible substances which may have caused the reaction. Of these which do you think it was?
Truthfully, I really don't care!
If they're not blood, then of what significance is it? I'd guess probably some kind of cleaner that made similar marks when Raffaele's place was luminoled that weren't blood either. Something with a peroxidase enzyme, which is what hemoglobin imitates to assist the peroxide oxidizing the reagent to produce the chemiluminescence. I must confess I shamelessly stole that ridiculous verbiage from Chris Halkides site. In real words some plant gunk or something that acts enough like plant gunk it conspires with the naughty stuff when applied which airs it out sending sparks flying causing something sinister to happen and it lights up really cool!
No confirmatory test was done, it tested negative for blood with TMB, that wasn't caused by the age of the stain (46 days ain't long enough to interfere with a TMB test) or the dilution. At this point not only did they not prove for blood, the possibility it was blood is so remote who cares? It doesn't have to be something on that list, just something with the same substances as on that list. Chipped paint in pooled water would do it.
Last edited: