Give a brief description of the order in which evidence should be documented‚ collected‚ and preserved. Your answer should include the role of potential contamination in your decision-making process. Topic 2: Latent Prints Discuss at least two of the chemical methods used to raise latent prints and advise your classmates on what piece of evidence you would process that way. Be sure to choose a different piece of evidence from your classmates The evidence collection process is very extensive and must
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LIP PRINTS The External surface of the lip has many elevations and depressions forming a characteristic pattern called lips prints. The approach is very similar to fingerprint analysis. The pattern of a lip pattern is unique to every person. Lip prints can be found on any surface that come in contact with the lips‚ for example‚ eating utensils‚ glasses‚ and cigarettes. There are many techniques to make lip prints visible as if you were making a latent fingerprint visible. There are two different
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First stage of labor The first stage begins with regular uterine contractions and ends with complete cervical dilatation at 10 cm. In Friedman’s landmark studies of 500 nulliparas3 ‚ he subdivided the first stage into an early latent phase and an ensuing active phase. The latent phase begins with mild‚ irregular uterine contractions that soften and shorten the cervix. The contractions become progressively more rhythmic and stronger. This is followed by the active phase of labor‚ which usually begins
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CRIMINAL JUSTICE AND TECHNOLOGY Criminal Justice and Technology Criminal Justice and Technology Computer and telecommunications technologies in criminal justice system have developed at an extraordinary rate. Increased computing power‚ advances in data transmission and attractive and user-friendly graphic interfaces present law enforcement agencies with unprecedented capacity to collect‚ store‚ analyze and share data with stakeholders inside and
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to doubt this assumption (Nolo‚ 2008). A fingerprint can conclusively identify both the offender and the victim as well. Nowadays police stations have hundreds of fingerprints of individuals on file. For example today the FBI has a collection of prints that numbers in the millions (Nolo‚ 2008). As Cooke once wrote in his books ‘the majority of all crime is committed by habitual criminals who have been arrested or imprisoned before...their fingerprints are on file‚ and a single fingerprint left
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Crime Scene Report #3 Case # 98-108597 Lead Investigator: Detective Rebecca Donnelly Date: Tuesday 7/5/05 Weather: 86F outside‚ 68F inside Arrived on scene at 2058 Responding: Deputy J. Kulas‚ Deputy T. Prather‚ Deputy R. Creel‚ Detective R. Donnelly‚ County Ambulance w/EMT J. Monday‚ arrival 2103 to 2108. Location: Robert Allen Jones‚ 123 West Main Street‚ Hagerstown‚ Maryland. One story apartment that consisted of 2 bedrooms‚ 1 bathroom‚ living room‚ and kitchen. Summons: An unintelligible
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walls with porous types of paint. There are a few different processes available to lift a print from a porous item; it really depends on the condition of the item. Investigators often use chemical methods such as iodine fuming‚ silver nitrate‚ or ninhydrin to locate latent prints on porous materials. When one of these chemicals comes into contact with the chemicals present in the fingerprint residue the print become visible. .Iodine fuming takes place in a fuming chamber. The process works by heating
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C T I V I T Y 1 Identifying the Latent Period How long is the latent period? _____2.78____ msec Note: If you wish to print your graph‚ click Tools on the menu bar and then click Print Graph. 5. Increase or decrease the stimulus voltage and repeat the experiment. (Remember that you can clear the tracings on the screen at any time by clicking Clear Tracings.) Record your data here: Stimulus Latent voltage: ____4.0____ V period: ____2.78____ msec Stimulus Latent voltage: ____3.0____ V period: ___2
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constructors had to eventually shut down their business. Other crafts which were not on strike were rendered unemployed because of this. Although the shutdown put members of unions‚ other than the carpenters and operating engineers‚ out of work‚ the Examiner held that such action was "defensive" in that it was intended to protect the Association’s members from financial loss through crippled operations due to the inter-relationship of the various building trades on construction work which would result
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Technology and Communication Paper Harold Mike Byrne University of Phoenix Interpersonal Communication CJA/363 Don Gemeinhardt October 22‚ 2011 Technology and Communication Paper Many areas of the criminal justice system require new and improved technologies to protect public safety‚ ensure the officers in the field are safe‚ and improve the efficiency of justice. Technology has given criminal justice systems the ability to make informed decisions. Standards have been set and compliance testing
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