'' can mean seconds. Blood dries within 30 seconds? If it does how did Amanda ever track all those bloody footprints all over the place?
https://en.wikipedia.org/wiki/Prime_(symbol)
Yes, it is known by many, including myself, that ["] can mean inches or seconds as generally used. However, blood at room temperature (20 C) and typical humidity does not dry in 30 seconds. The time required for blood to dry under those conditions is about 60 minutes (1 hour). And I have a reference:
"How long does it take for blood to dry?
A:
Quick Answer
A study published in the
International Journal of Legal Medicine reported that a blood drop on a hard surface in a typical indoor setting at 20 degrees Celsius is completely dry in 60 minutes. Increasing the temperature to 24 degrees Celsius reduces the drying time to only 30 minutes."
Source:
https://www.reference.com/science/long-blood-dry-77b16b8edc3d35f1
"Int J Legal Med. 2012 Sep;126(5):739-46. doi: 10.1007/s00414-012-0734-2. Epub 2012 Jun 30.
Drying properties of bloodstains on common indoor surfaces.
Ramsthaler F1, Schmidt P, Bux R, Potente S, Kaiser C, Kettner M.
Abstract
When blood reaches an extracorporeal surface, a drying process is initiated. Properties of this drying process may be crucial for the correct assessment of case-specific time lapses, however, there is a lack of systematic studies concerning the drying times of blood. We present a study on drying properties of small blood droplets with a standardized size of 25 μl (resembling droplets originating from pointed and sharp objects, e.g. the tip of a knife) under different environmental conditions to elucidate the effect of different ambient temperatures, indoor surfaces and anticoagulant treatment. As a rule of thumb, wiping a typical small blood droplet will not lead to a macroscopically visible smear after a time period of approximately 60 min (time(min) = 45 min; time(max) = 75 min) at an average room temperature of 20 °C. Alteration of the ambient temperature has a remarkable effect, as the time needed for the drying process leading to wipe resistance of the droplets decreases to 30 min (time(min)) at an ambient temperature of 24 °C, and is prolonged up to >120 min (time(max)) at an ambient temperature of 15 °C. As for the surface materials in our study, significant differences in drying periods were only found between wood and linoleum (80th percentile 45 vs. 75 min). Treatment with anticoagulants did not influence extracorporeal drying times. In synopsis, the present study shows that ambient temperature is a major determinant of the drying process of blood droplets and should always be documented accurately and continuously on a crime scene. In certain situations, an estimation of the time elapsed since bloodstain origination may be of importance to answer questions related to the time course of actions. However, further systematic studies are needed to clarify the effect of other properties such as droplet size, humidity, or evaporation."
Source:
https://www.ncbi.nlm.nih.gov/pubmed/22752750
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I leave it up to the objective readers of these posts to determine what, if anything, Vixen's post meant.
And one must remember, that Knox was by her statements when not under police coercion NOT in the cottage at the time of the murder of Kercher.
Guede was in the cottage at the time of the murder, according to his own admission, and the police suppressed information on the DNA content of blood stains and a purported (presumed) semen deposit, which may have further confirmed his solo involvement in the murder/rape of Kercher.