You will investigate the crime, collecting and gathering evidence. Based on the
You will investigate the crime, collecting and gathering evidence. Based on the attached paper, State and describe the ways you will go about collecting each category of evidence during your crime scene investigation.
For example, research the use of rape kits in investigations, how investigators use surveillance
and fiber collection to identify suspects, Semen collection, interviewing witnesses.
Paper Begins
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Crime Scenario: Death by Strangulation (Asphyxiation) and Sexual Assault
On June 11 2017, Grace Webber was found dead on her bed after a night out with her friends. Her neighbor, Jane Finley, found her and informed the police about the crime. The police and investigative officers arrived at the crime scene and collected evidence. The first piece of evidence they collected was what appeared to be rope fibers which were still on her neck, on the bed and the floor just next to the bed. The police first took photos of the “fiber “samples and then preserved them in plastic envelopes for further forensic testing. Webber was also found with Ligature marks around her neck. The investigators took photos of ligature marks. On the carpet, the police retrieved a used condom with semen inside. There were also what seemed to be traces of semen on Jane’s underwear, which had been partially taken off her. The investigators took the two semen samples and stored them separately in plastic tubes. Webber also had bruises around her wrists and face. This evidence was collected in the form of photographs. After analyzing the bruising due to livor mortis, the police concluded that she had been dead for at least twelve hours.
Real-Life Crime
In 2019, at approximately 1:30am, 19-year-old Ruth George was seen walking to a parking garage on the UIC campus. That’s when Donald Thurman, 26, was seen cat-calling her as he walked across the street towards her. Ruth ignored Thurman as he followed her into the garage. It is reported that Thurman sexually assaulted George, then killed her by strangling her, then fleeing the scene. Thurman was seen on multiple surveillance cameras fleeing into the nearby train station. He had also left a used condom with his DNA at the scene near the victim’s body.
Initial Investigation
Based on the time that the investigators arrived at the crime scene, the bruising on Webber’s body indicates that she was attacked hours before. The investigators collected carpet fibers from her body/hair, floor, and bed. This shows that Webber did not take herself to bed but was rather dragged to the bedroom. The beddings were also disorganized, indicating that she struggled even while in bed. The semen on the condom and her underwear suggests that she was raped repeatedly, probably by more than one person. Webber’s bruises around her hands and face implies that she attempted to fight back in order to try and free herself from the assailants. The autopsy report concluded that Webber was murdered by strangulation. The rope fibers and ligature marks are clear evidence to indicate that Webber was killed in that manner. There were no ropes found at the scene or near the body. It is assumed that the murderer then left with the rope.
Secondary Investigation
The DNA results from the two semen samples, one on the condom and the other on Webber’s underwear, did not match, meaning they were from two different individuals. Therefore, Webber was raped by at least two people. All the hair samples collected on the crime scene matched Webber’s DNA, which could indicate that there was a massive struggle between Webber and the perpetrators. It possibly involved grabbing her hair and tossing her on the floor and on the bed. The forensics also ran a match between the rope fibers found on Webber’s bed and samples of ropes from all local vendors in the town. The results indicated that the rope used to strangle Webber was most likely acquired from either of the following two vendors, John Lionel Hardware Store and Peter Brown’s Boating Equipment.
A DNA match was also run against Webber’s close friends and people who were last seen with her to find out the potential rapists. The results showed a successful match with the semen belonging to two individuals, Mr. Ronald Walker and Daniel Smith. Witnesses claim that the two individuals were seen in the club where Miss Webber spent the night. One of the suspects, Mr. Walker, had been captured by CCTV footage buying a rope at Peter Brown’s shop two days earlier. The two were arrested and taken into custody and charged with first degree murder and criminal sexual assault. In Illinois, criminal sexual assault is a Class X Felony and carries a sentence of 6-60 years of imprisonment and a fine up to $25,000 (720 ILCS 5/11-1.20.).
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