What phenomenon underlies many of the new chemical techniques used to visualize latent fingerprints? Why is this phenomenon so valuable in fingerprint visualization?
What will be an ideal response?
The phenomenon of fluorescence serves as the underlying principle of many of the new chemical techniques used to visualize latent fingerprints. Substances that emit light or fluoresce are more readily seen either with the naked eye or through photography as compared to non-light-emitting
materials. Thus, techniques based on fluorescence permit better visualization of all prints and allow the visualization of faint prints that other methods may fail to visualize.
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Which of the following statements reflects a basic similarity between white-collar crime and street crime?
a. Both types of crime involve stealing and violence b. Both types of crime involve government cooperation c. Only one involves stealing and violence d. Both types of crime have similar economic costs
What is the condition called in which fatty deposits accumulate inside arteries and restrict the flow of blood?
A. arteriosclerosis B. atherosclerosis C. stroke D. migraine neuralgia
Research indicates that most eye witnesses to crimes are very good at acquiring accurate information while the crime is being committed
a. True b. False Indicate whether the statement is true or false
When discussing emergency preparedness and disaster response, police officers, firefighters, and EMTs are collectively referred to as _______________
Fill in the blank(s) with correct word