Eighteen days after Mortgage Peña’s disappearance, the investigation continues to disclose disturbing particulars. Latest professional experiences have detected traces of blood in one of many autos concerned, due to the usage of luminol. The substance reacted positively on the wheel and bumper of the white Ford Ranger belonging to Carlos Pérez and María Victoria Caillava, the couple at present beneath arrest.
Advances in analysis
Blood traces have been discovered on the fitting wheel and on the bumper of the car of the accused, who’re in a federal jail in Salta. The couple has requested to testify to refute the accusations of Laudelina, the boy’s aunt, who said earlier than the court docket that the detainees ran over and killed Mortgage.
Throughout the brand new exams, blood stains have been recognized and might be examined. As well as, specialists are analyzing a dent within the bumper and the adhesion of purple substances in that space, in addition to peeling paint, which might present additional proof concerning the incident.
The important thing space the place Mortgage is being searched: The place was he earlier than he disappeared?
The position of luminol in analysis
Luminol is a necessary chemical compound in forensic investigation on account of its capacity to emit a blue gentle when it reacts with an acceptable oxidant, such because the iron in hemoglobin. This property permits investigators to detect traces of blood which might be invisible to the bare eye. Though the depth of the glow doesn’t point out the quantity of blood current, it does reveal the distribution of the traces within the space examined.
The appliance of luminol have to be exact to keep away from false positives, and on this case, it has been essential to find the presence of blood within the detainees’ van, offering a key piece within the seek for the reality about Mortgage Peña’s disappearance.
