A Burglar Mystery
Friday, August 19, 2011 - 11:10
in Health & Medicine
A home invader was masked, gloved and meticulous enough to vacuum and scrub the victim's apartment so as not to leave any hair or skin cells for forensic analysis. The vacuum bag was not left behind. He had used the toilet to urinate but brushed the bowl for five minutes. And he subsequently flushed two or three more times.There is usually no DNA present in urine, but it was possible that the burglar was unaware of the fact. And few men realize how much splashing urinating actually causes when one urinates while standing. The side of the counter next to the bowl was stained with a few black spots. Laboratory analysis revealed that the spots were not mold but contained urea and dark brown products derived from homogentisic acid.read more