In this paper I will be comparing contrasting two various aspects of forensic sciences used, and talking about the different tactics used to identify suspects; as well as the contrasts between the two methods. The man I will be talking about is John Wayne Gacy. The two methods I will be going over are, Finger print DNA and Forensic toxicology. These two are very similar, but made substantial differences in the evidence in his case. John Wayne Gacy was a murderer from Chicago, Illinois. convicted of the rape and murder of thirty-three boys and young men. he's additionally called the Killer Clown, thanks to his enjoyment of fun youngsters in a clown outfit. In Gregorian calendar month 1978, a 15-year-old boy named Robert Priest went missing. …show more content…
Toxicology and blood analysis is very close but in a way very different in this case of murders. What the toxicology unit does, is test the bodies for anything unusual or stuff that shouldn’t be happening within the human body. Once all the bodies were found buried under Gacy’s yard, every one of them was tested. The reporting officers found out that along with Gacy’s clown costume he was drugging kids when he was alone with them. The drugs were heavy sedatives and heroin which caused the kids to black out. He would then take them back to his house: rape and dismantle the bodies. This was huge for the officers because gacy never did confess on how so many kids were lured and taken without notice. This was one of the biggest sets of information for the officers. Along with the classification of dismantled bones and teeth. They used information from the teeth and bones and hair follicles to show just how much detail he went into when dismantling his victims. More than 30 years after John Wayne Gacy became known as one of the nation's most notorious serial killers, and nearly two decades after he was executed for his crimes, Cook County sheriff's officials are making fresh efforts to put names to the eight Gacy victims who were never identified. Most of Gacy's 33 victims were identified using dental records and X-rays. A team of investigators and scientists have now unearthed skeletal remains of the eight unidentified victims and will attempt to identify them through DNA