Essay Title: 

Criminal Investigation

April 3, 2016 | Author: | Posted in law

Criminal Investigation1 . Discuss the different kinds of surveillance and the advantages and /or disadvantages of each .Visual surveilance observing a specific or certain target using equipments such as binoculars , satellite cameras , field glasses , photographic cameras video cameras , etc . Visually , law enforcement is able to see what is going on and have visual evidence . Many times , visual clues and hints (gestures , where they are looking , how they act , etc ) enable a person to be able to complete a bigger picture . Aural (audio ) surveillance equipments used to amplify sounds like microphones , devices that record [banner_entry_middle]

sound , etc . The advantages to this type of surveillance is that some equipment can pick up sounds through thicker surfaces such as through walls . Another device in this category would be a “bug . The good thing about this is that they can come in relatively small sizes .Telephone tapping : telephones are used on a daily basis and helps law enforcement by giving them a lot of information in certain cases . Telephones and cell phones include very significant information such as the time and how long a call was made . It also gives more important information like who made the call and who it was made to . These are often essential clues . Tracking devices : A tracking device is a piece of equipment that can be placed in a vehicle , on a person , or secured to an object that is moving or can be moved . There are signals and indicators that are given out by the tracking device that can calculate the position of the person or object . This type of surveillace has safety advatages . The equipment can replace the work of actual people having to monitor . Tracking devices are also safer for law enforcement people because a scene can be monitored from far away . Computer surveillance : this has to do with having access to a person ‘s computer . It can also observe what the person is doing on the computer . This is a reliable type of surveillance because they can monitor and do certain things without the other person actually knowing . Computers have connections to a greater network that can be cracked with special programs . Computers also store a lot of information , which gives more clues to investigators of the daily activities of a person , sometimes that cannot be found anywhere else

2 . Compare the procedures for assembling a photo array lineup with those of an in-person lineup . What are the similarities and differences ? For what purpose would you use each one

Photo array lineup is when a group of pictures or photograps are shown to the eyewitness so be able to determine whether or not the eyewitness can identify the person who commited the crime . You would use this procedure if there are no suspects . You also use this when people that could be possible suspects already have a criminal record or have been convicted of a crime . An in-person lineup is when a group of individual people who are lined up in person are shown to the… [banner_entry_footer]

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