Regina and Margaret DeFrancisco a vacant lot, where Regina used nail polish remover to ignite his body. An anonymous caller phoned 911 to report the fire, and after finding Oscar Velazquez's body in the fire, he called 911 again. The sisters tried to sell the Camaro, but were unsuccessful, so they abandoned the vehicle and set it on fire. Regina and Margaret were immediately questioned by police as suspects in the murder of Oscar Velazquez, but their stories did not match up. Before the sisters could be arrested for murder, both fled from the police. After almost two years spent evading police, Margaret DeFrancisco
Science of smells smells left by a criminal on a crime scene can be stocked in glassy jars for identification for purposes. The dog's olfaction, as criminalistics technology, developed thanks to works of a Hungarian doctor in 1970s in countries of Eastern Europe during Cold War, notably to identify dissidents. Science of smells The odorology or science of smells is a technology used mainly in criminology for judicial identification. The technology is based on the analysis of smells by dogs notably to merge the criminals or to identify the smell of objects (explosives, drugs). Olfaction of dogs is used for a long time