1|Page
IAI CERTIFICATION EXAM 2025 |CERTIFIED
EXAM QUESTIONS AND ANSWERS
3 Basic types of Bloodstains (Classified As) - Correct-answer-Passive
Transfer
Projected/ Impact
phenophthalein - Correct-answer-Presumptive test for blood, reacts with the
heme,
ethanol
Phenolphthalein solution
hydrogen peroxide
What are the 6 basic steps in processing - Correct-answer-Accessing-Complex?
Observe
document- Photo, Sketch, Video
search
,2|Page
collect
analyze/ processing
Internal/ interior ballistics - Correct-answer-examination of firearm itself;
functional operation, class and individual characteristics
Terminal Ballistics - Correct-answer-How the projectile behaves once it hits the
target
What is Iodine Fuming - Correct-answer-involves heating iodine crystals that
cause vapors which combine with latent prints to make them visible. on porous
surfaces
Ninhydrin - Correct-answer-A chemical reagent used to develop latent
fingerprints on porous materials by reacting with amino acids in perspiration
Sequential processing for porous - Correct-answer-Ind-Zn, Nin
,3|Page
sequential processing for non-porous - Correct-answer-CA, DS, Powder
Best method for non-porous smooth?
Wet? - Correct-answer-CA
Powder
SPR-Small particle reagent-- a wet powdering technique
Dry first if not using SPR
Physically altered bloodstain Principle - Correct-answer-Blood will react to the
environment, conditions in predictable manners
What is Crime Scene Processing - Correct-answer-Examination and evaluation of
scene to recover physical evidence and document scene conditions in situ
Predictable effects - Correct-answer-Changes to the scene/ evidence which
occurs with some rhythm or regularity (Rigor, livor)
, 4|Page
unpredictable - Correct-answer-Changes that occur in an unexpected or random
fashion (EMS, arriving, lights being turned off, door shut)
Four questions for evidence - Correct-answer-what is it?
what function did it serve?
what relationship does it have to any other items of evidence or to the scene
itself?
what does it tell us about timing and sequence?
What are 3 scene integrity issues - Correct-answer-addition, destruction and
movement of material at teh scene
Individualism - Correct-answer-examination of individual characteristics
Locard's Exchange Principle - Correct-answer-Every contact leaves a trace
cross-contamination - Correct-answer-by exposing one item of evidence to
another, then evidence is passed to a second
IAI CERTIFICATION EXAM 2025 |CERTIFIED
EXAM QUESTIONS AND ANSWERS
3 Basic types of Bloodstains (Classified As) - Correct-answer-Passive
Transfer
Projected/ Impact
phenophthalein - Correct-answer-Presumptive test for blood, reacts with the
heme,
ethanol
Phenolphthalein solution
hydrogen peroxide
What are the 6 basic steps in processing - Correct-answer-Accessing-Complex?
Observe
document- Photo, Sketch, Video
search
,2|Page
collect
analyze/ processing
Internal/ interior ballistics - Correct-answer-examination of firearm itself;
functional operation, class and individual characteristics
Terminal Ballistics - Correct-answer-How the projectile behaves once it hits the
target
What is Iodine Fuming - Correct-answer-involves heating iodine crystals that
cause vapors which combine with latent prints to make them visible. on porous
surfaces
Ninhydrin - Correct-answer-A chemical reagent used to develop latent
fingerprints on porous materials by reacting with amino acids in perspiration
Sequential processing for porous - Correct-answer-Ind-Zn, Nin
,3|Page
sequential processing for non-porous - Correct-answer-CA, DS, Powder
Best method for non-porous smooth?
Wet? - Correct-answer-CA
Powder
SPR-Small particle reagent-- a wet powdering technique
Dry first if not using SPR
Physically altered bloodstain Principle - Correct-answer-Blood will react to the
environment, conditions in predictable manners
What is Crime Scene Processing - Correct-answer-Examination and evaluation of
scene to recover physical evidence and document scene conditions in situ
Predictable effects - Correct-answer-Changes to the scene/ evidence which
occurs with some rhythm or regularity (Rigor, livor)
, 4|Page
unpredictable - Correct-answer-Changes that occur in an unexpected or random
fashion (EMS, arriving, lights being turned off, door shut)
Four questions for evidence - Correct-answer-what is it?
what function did it serve?
what relationship does it have to any other items of evidence or to the scene
itself?
what does it tell us about timing and sequence?
What are 3 scene integrity issues - Correct-answer-addition, destruction and
movement of material at teh scene
Individualism - Correct-answer-examination of individual characteristics
Locard's Exchange Principle - Correct-answer-Every contact leaves a trace
cross-contamination - Correct-answer-by exposing one item of evidence to
another, then evidence is passed to a second
