Forensic Evidence In Criminal Investigation

Forensic evidence is evidence obtained using scientific methods including but not limited to, ballistics, blood analysis, and DNA testing. This evidence is extremely important and is used to establish the guilt or innocence of suspects. There are so many tiny parts that go into solving a case. When one thing during an investigation is done wrong, or not found a case can go unsolved very easily. Without the right amount of evidence it is hard to convict a suspect of the crime in question. The Leanne Tiernan murder case is very special. There is so much forensic evidence involved and without this evidence it would have been impossible to find the killer of Leanne Tiernan.
Leanne Tiernan was a 16 year old girl in Bramley, West Yorkshire, England. She was abducted and murdered less than a mile away from her home on November 26th, 2000. Her body was finally discovered on August 20th, 2001 in a wooded area on the boarder of West and North Yorkshire. This case became one of the largest West Yorkshire Police had ever seen. This case consisted of the search of 1,750 buildings, 1,400 house to house inquiries, 32 drainage wells, underwater searches, 12 search warrants, 200 officers, and hundreds of volunteers. DNA samples were taken from 140 men that were interviewed by the police. On December 4th, 2000 an E-FIT …show more content…
Taylor was convicted and received two life sentences. At the end of this trial the police officers believed he could also have been responsible for two other unsolved murders. On April 3rd, 2003 Taylor pleaded guilty to two other rapes committed before the Tiernan murder. He was further sentenced to life in prison with a minimum term of 30 years. Since the police now had Taylor’s DNA profile they could open unsolved sex crimes where forensic evidence was still available using DNA extraction. As a result the police opened 10 more cold case murder