Interior and exterior crime scenes are almost as similar as they are dissimilar. For instance, both have concerns regarding; scene safety, scene control, climate changes, evidence contamination, disturbance or destruction via accidental contact or uncontrollable external circumstances (pets, wild animals or weather) (Fisher, B., Fisher, D., 2012). On the other hand, the interior scenes usually allows for climate control, at some level, were exterior climates are at the will of nature. Interior also provides barrier, although not impenetrable, against external circumstances, where exterior scenes tend to have large areas of openness, making the area more susceptible to someone or something entering regardless of the scene markers (Richard, S., …show more content…
For this reason, it is necessary for those that are on scene to maintain vigilance of where they step, kneel, lean, and touch. It is also vital that they not eat, drink, chew gum, smoke, spit, flush commodes, use sinks, change the thermostat settings, open or close windows or otherwise change the temperature of the room or disturb any possible trace or latent evidence (Richard, S., 2013). However, if the scene is outdoors and inclement weather occurs, or night falls, the use of a canopies or tarps and/or flood lights may be employed (Richard, S., 2013). Due to the likelihood of the destruction, contamination or disturbance of evidence, one of the first things that should be accomplished prior to multiple people entering the scene is photographic documentation (Fisher, B., Fisher, D., 2012). This process begins with an overall photograph allowing the entirety of the scene to be viewed (Richard, S., 2013). This is often followed by photos taken from each corners and the center of each of the scene boundaries, looking into the center of the scene (Richard, S., 2013). From there photographs are taken of individual items, markings, or anything that may seem out of place or missing from a place (Richard, S., 2013). All photographs are required to have a scale, such as a ruler, next to the item, to provide a reference of its size and/or location or proximity to other items (Fisher, B., Fisher, D., 2012). Each item should have a series of photographs, one from a distance, one from average distance and one close-up (Richard, S., 2013). All of this will allow for enhanced accuracy if the scene needs to be recreated to aid in the investigation or to provide visual evidence at trial (Fisher, B., Fisher, D.,
Because of budget constraints, the study only used one beat to collect data on the effects of increasing police patrol. Even though money was an issue, the experiment could have yielded better data by repeating the experiment multiple times to see if the data they collected would be reliable. The experiment also took place during the winter. The report of the study even noted that there was some evidence that crime activity levels declined, just as street activity does, because of colder weather. Although the design of the study contained weaknesses, some of the methods used by the researchers worked well for this type of study. One of the strengths of this experiment was the different methods used to acquire illegal guns in the beat. By using a variation of ways to seize illegal weapons in the “hot spot,” it allowed officers to increase their chances of finding more illegal guns. Using different methods of search also could have led to greater number of potential offenders to know that officers were looking for illegal weapons and refrained from offending. Another strength of the study includes the relatively inexpensive method to try to answer their hypothesis. Increasing police patrol is one of the more inexpensive methods and it did manage to decrease the number of gun crimes and homicide in the
From a trial strategy point of view, you always start with the piece(s) of evidence you believe are most damaging to the client's case and work backwards looking for an exploitable flaw in the search and seizure procedure that would make that or those item(s) inadmissible. The further back in the series of events you can argue a fatal flaw, the more likely that the evidence and any additional materials which flowed from that particular item of evidence will be excluded. This is the practical analysis of all the times we see or hear of law enforcement arguing that there was some technical item which drew their attention and suspicion and justifies their hunch that criminal activity is afoot.
I was sitting in the old rickety chair that looked as if it had been there for five years. The smell of gunpowder hung in the morning air as I leaned over the rifle rest. My finger wrapped around the trigger as my eye focused through the scope of my grandfather’s Springfield ’03. I took a deep breath and let half out. My finger tightened on the trigger as I awaited the recoil and crack of the gunpowder igniting. Finally, when my finger’s pull was enough to move the trigger, the gun went off. Moments like this are why I love shooting guns.
Crime is a common public issue for people living in the inner city, but is not limited to only urban or highly populated cities as it can undoubtedly happen in small community and rural areas as well. In The Real CSI, the documentary exemplified many way in which experts used forensic science as evidence in trial cases to argue and to prove whether a person is innocent or guilty. In this paper, I explained the difference in fingerprinting technology depicted between television shows and in reality, how DNA technology change the way forensics evidence is used in the court proceedings, and how forensic evidence can be misused in the United States adversarial legal system.
The crime scene was then examined and a list of possible pieces of evidence were recorded down. Including a sketch of the crime scene, Anna Garcia’s house, with the locations of all of the pieces of evidence. All of these items listed help develop a theory about Anna’s death. This theory then helped establish a list of possible suspects. The person of interest list included a number of four individuals and each one had a relation with Anna. The list included (1) Alex Garcia- Anna’s ex-husband. They had an unpleasant divorce the year before and in a result Alex quickly remarried a much younger woman, while Anna remained single. Alex and his newlywed wife are expecting to have a baby soon. Although, Alex may be suffering from a few financial
Crime scene investigators, also known as CSIs, have played an essential role in protecting citizens, by proving who is guilty, and who is innocent. CSIs use a large amount of Science and Math skills to solve crimes, resulting in a decent income. They are specialized in forensic science in order to examine crime scenes and recover important evidence (Career Cruising).
Crime scenes are known to have many clues left behind. The obvious would be a the body or bodies, clothing, and sometimes even the murder weapon. While these are great way to solve a case there's another kind of evidence; trace evidence. Trace evidence are small pieces of evidence that are laying around a crime scene. There are many types of trace evidence some of them include metal filings, plastic fragments, gunshot residue, glass fragments, feathers, food stains, building materials, lubricants, fingernail scrapings, pollens and spores, cosmetics, chemicals, paper fibers and sawdust, human and animal hairs, plant and vegetable fibers, blood and other body fluids, asphalt or tar, vegetable fats and oils, dusts and other airborne particles, insulation, textile fibers, soot, soils and mineral grains, and explosive residues. Although these are the most common found elements, they are not the only ones. The Trace Evidence Unit is known to examine the largest variety of evidence types and used the biggest range of analytical methods of any unit. materials are compared with standards or knowns samples to determine whether or not they share any common characteristics. In this paper I will discuss the different kinds of trace evidence and how crime scene investigaros use it to solve cases and convict criminal.
This paper will provide an explanation into how differential association theory explains burglary. Burglary, according to the Federal Bureau of Investigations (F.B.I), considers a property crime a Type 1 Index Crime because of its potentially violent nature. The F.B.I. breaks burglary down into three sub classifications. This paper discusses the elements of the crime of burglary and what constitutes a structure or dwelling. It will discuss a brief history of the deviance, trends and rates, and how it correlates to the specific theory that this paper will also discuss.
The location of the crime scene and the proximity of the serial murderer’s home is one aspect that law enforcement officials try to establish early
The criminal justice system has changed a lot since the good old days of the Wild West when pretty much anything was legal. Criminals were dealt with in any fashion the law enforcement saw fit. The science of catching criminals has evolved since these days. We are better at catching criminals than ever and we owe this advancement to forensic science. The development of forensic science has given us the important techniques of fingerprinting and DNA analysis. We can use these techniques to catch criminals, prove people's innocence, and keep track of inmates after they have been paroled. There are many different ways of solving crimes using forensic evidence. One of these ways is using blood spatter analysis; this is where the distribution and pattern of bloodstains is studied to find the nature of the event that caused the blood spatter. Many things go into the determination of the cause including: the effects of various types of physical forces on blood, the interaction between blood and the surfaces on which it falls, the location of the person shedding the blood, the location and actions of the assailant, and the movement of them both during the incident. Another common type of forensic evidence is trace evidence. This is commonly recovered from any number of items at a crime scene. These items can include carpet fibers, clothing fibers, or hair found in or around the crime scene. Hairs recovered from crime scenes can be used as an important source of DNA. Examination of material recovered from a victim's or suspect's clothing can allow association to be made between the victim and other people, places, or things involved in the investigation. DNA analysis is the most important part of forensic science. DNA evidence can come in many forms at the crime scene. Some of these forms include hair; bodily fluids recovered at the crime scene or on the victim's body, skin under the victim's fingernails, blood, and many others. This DNA can be the basis of someone's guilt or innocence; it has decided many cases in the twentieth century. As the times continue to change and the criminals get smarter we will always need to find new ways to catch them. Forensic science is the most advanced method yet, but is only the beginning. As the field of science grows so will the abilities of the
Just as insight into the mind of the artist may be gained by examining and comparing the progression of his work, so knowledge of the mind of the serial killer can be ascertained by an examination of his canvas: The murder scene. Forensic profiling is the attempt to do just that. An investigator tries to discern information about the killer based on the information at the crime scene, deducing information about the cause from the effect. This is not an exact science, and has been often likened to an art. It is the goal of this work to provide the reader with a basic understanding of the function and application of forensic psychology, as well as an explication of some of its strengths and weaknesses.
Crime Scene Investigation For my assignment, I will be looking into the case of James Bulger, aged 2 years old, who was kidnapped and murdered by John Venables and Robert Thompson on February 12th 1993. Through evidence found at the crime scene and testimonial statements, the police saw that the two boys, ages 11, abducted James from Bootle Strand Shopping Center, Liverpool. They took him on a long, aimless walk where they brutally attacked him and left him for dead. In my assignment I will show how work done by the police, forensic scientists and Investigators helped to convict Jon and Robert.
Collecting evidence from a crime scene is a crucial aspect of solving crimes. Before evidence can be seized, there must first be a court order approving the search of the crime scene and the seizure of the evidence found at the scene. Standard protocol for officers is for them to always use latex gloves, avoid plastic bags, double wrap small objects, package each object separately, and to collect as much evidence as possible. It is better to have too much evidence than to not have enough. There are countless amounts of evidence that can be found at a crime scene.
Situational crime prevention reduces the opportunities for criminals to commit crime by making changes to or altering the environment with the assistance of the police, neighbors and other agencies (Worrall, 2008). The main theories of situational crime prevention are: environmental crime prevention, rational offender perspective, and routine activities (Worrall, 2008). Environmental crime prevention basically states that four elements must be present for a crime to occur: a target, a place (opportunity), a law, and an offender. Environmental crime prevention is designed to prevent people from breaking the law by altering street and building designs, or altering the environment to make it safer (Worrall, 2008). An example of this that is used by law enforcement is to place a sign at the public trash dumpsters informing the public that the area is being videotaped. This method is used to alter the publi...
There are several steps that need to be taken in order to process a crime scene. Some of the steps include: securing the scene, a detailed search, documenting the crime scene, collecting and preserving evidence, and finally releasing the scene. All of the following steps are crucial to avoid any possible contamination or otherwise compromise the scene before it can be released. Few, if any additional opportunities exist when processing a crime scene, so the first time is most pertinent.