Create an account
Who established the comparison microscope as the indispensable tool of the modern firearms examiner
The first officer arriving at a crime scene, after providing or obtaining medical assistance for the injured and effecting an arrest of suspects (if possible), should immediately:
secure the scene
Evidence of tampering with the position of a body after death can be obtained by evaluating the:
Evidence with individual characteristics can lead to a determination of common origin (single source). Which type of evidence cannot yield such results:
If the lab can piece broken glass from a window or headlight together then the evidence has _______ characteristics.
Physical evidence that can be used to aid in a crime scene reconstruction includes:
all of the above (blood spatters, gunshot residues, shoeprints)
The change in refractive index upon annealing tempered glass is ________ the change in refractive index:
The ability to make a positive identification of a drug using UV spectrophotometry is ___ the ability to make a positive identification using IR spectrophotometry:
The Marquis reagent was used on drug evidence and it turned purple. The drug being tested could be:
Which property imparts paint with its most distinctive forensic characteristic:
In determining a hair sample originated from male or female, the MOST important consideration is:
the result of DNA analysis from the root structure
Which instrumentation is considered the most sensitive and reliable for detecting and characterizing flammable residues:
Which of the following is not possible to determine from a laboratory examination of evidence recovered from an arson:
examination of the debris may reveal the brand name of gasoline used to start the fire
Discuss the proper collection of evidence at the origin of a fire that is suspected of being initiated by gasoline:
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together