What year was DNA discovered? ANS:1868
Effective investigators ANS:all of the above
Locard's principle of exchange is ANS:a forensic theory which holds that objects that come in contact
with each other always transfer material, however minute, to each other
A field test allows an investigator to ANS:determine if a substance is something that the investigator
believes it to be
If ivestigators must complete a follow-up investigation, it means that ANS:none of these
Computers can assist investigators to ANS:all of these
Data mining can be used to ANS:find new patterns or trends or to confirm suspected patterns or trends
Crime mapping focuses on ANS:Hosts spots where crime occurs
Problem oriented policing makes use of ANS:all of these
A command center is needed when ANS:the investigation become complex and enough resources are
on the scene to require some coordination
Because there is a wide range of variables in individual crimes, it is impossible to establish fixed rules for
conducting an investigation ANS:true
Investigators follow a logical sequence when conducting an investigation that includes obtaining all
physical evidence, interviewing witnesses, interrogating suspects, developing leads and recording
details. ANS:true
A fact is an action an event or a circumstance in contrast an inference is a process of reasoning by which
a fact may be deduced ANS:true
According to the text, most cases are lost not solved due to failures of the investigator or officers in the
first hour of an investigation ANS:true
The media has a right to enter parts of a crime scene ANS:false
Shoplifting is automatically a felony in every state ANS:false
Prior to their investigation, investigators need to determine if a crime has actually occurred ANS:true
What information should you record when taking notes at a crime scene ANS:known facts
Record all information that helps to answer the questions of ANS:who what where when how and why
, What is referred to as the new DNA for law enforcement? ANS:digital video analysis
When taking photographs/videotape, the investigator should ANS:take sufficient photographs and or
videotape to reconstruct the entire scene
A crime sketch does all but one of the following which does a crime scene sketch not do? ANS:is always
considered a true and accurate depiction and cannot be challenged
Which of the following is an incorrect statement ANS:pixels are the largest unit of a digital image,
generally a dot within the image
Which term is used on a crime scene sketch, and contains the case number, type of crime, name of the
victim or complainant, location, date, time, investigator, anyone assisting, scale of the sketch, direction
of north, and name of the person making the sketch? ANS:legend
Which of the following is not a plotting method useful in locating objects and evidence? ANS:matrix
Note taking is unique to the police profession ANS:fasle
If you make an error in your notes, you should erase and correct it ANS:false
Notes are not admissible in court ANS:false
One of the disadvantages of digital photographs over film is that copies of phtos may look slightly
different than the original ANS:false
Digital cameras should not be used for crime scene photography ANS:false
To be admissible in court, photographs must be material, relevant, competent, accurate, free of
distortion, and noninflammatory. ANS:true
Because of the existence of computer programs such as Photoshop, investigators are not allowed to use
digital cameras. ANS:false
A cross-projection sketch presents the floor and walls as though they were one surface ANS:true
Which is not one of the primary purposes of a report? ANS:To inform media of events
In writing a report, the officer should ANS:plan in advance
Officers should write reports in ANS:past, first tense and active voice
The man could not walk in a straight line is an example ANS:a conclusionary statement
A primary concern of the investigator is ANS:to provide the facts and information needed to show that a
crime occurred
Clarity in reports can be increased by using ANS:sketches and diagrams