TFSC EXAM 7 QUESTIONS AND 100%
CORRECT ANSWERS!!
What 6 things must be established for evidence before court presentation?
1. How the evidence was collected
2. Who collected the evidence
3. where it was collected
4. who has custody of the evidence
5. how the evidence was processed
6. when changes of custody occured
What is data defensibility?
the process that provides sufficient assurance, both legal and technical, that assertations made
about a sample and its measurable characteristics can be supported to an acceptable level of
certainty
What must be done if evidence may be altered or consumed during analysis?
contact the client and inform them of the risks and for permission to continue with the analysis
T or F? You should maintain an adequate portion of the evidence for potential rested,
testing by other methods, or testing from other labs
True
Each item or its proximal container shall be marked with the following 5 things
Item number, case or incident number, identification of person who collected item, date item
collected, and brief description
T or F? Before a genetic profile can be uploaded, it must meet the requirements set by the
National DNA Index System (NDIS) as well as the State of Texas
True
What are some examples of Trace Evidence?
,Small and/or microscopic material transferred from one source to another like hairs, fibers, paint,
glass, and primer gunshot residue
Potential for loss is ____ in trace evidence, therefore additional care must be taken
high
in seized drug analysis, all collected material should be treated as if _____?
it contains fentanyl
How do you packaged biological evidence?
· Moist or wet material possibly containing biological evidence should be packaged in paper
containers to allow them to dry
What is the significance of CoC?
Helps assure one's ability to support data and conclusions adequately from the time samples are
collected until sample disposal
When using a common carrier, the use of __________ on shipping containers should be
considered
padlocks or custody seals
What is destructive testing?
testing, examination, re-examination, disassembly, or other actions likely to alter the original, as-
found nature, state, or condition of items of evidence to preclude or adversely affect additional
examination and testing
Non-destructive tests should be done _______destructive testing.
before
In Reed v. State, post-trial DNA testing was denied, why?
The Judge concluded that a significant number of items did not satisfy the standard of "not been
substituted, tampered with, replaced, or altered in any material respect"
What is required before evidence can be destroyed?
, must be approved by law and departmental policy
What is the State's role in disclosure?
The State must produce everything to a defendant for inspection and copying, and the State must
document everything that is produced
In Brady v. Maryland, the Brady Rule was created. What is it?
Rule that states that the suppression by the prosecution of evidence favorable to an accused, that
violates due process and is material to either determination of guilt or punishment in the case,
irrespective of the good faith or the bad faith of the prosecution
Something is considered a Brady violation if it consists of these 3 things
1. suppression of evidence by the prosecution
2. The evidence is favorable to the accused
3. The evidence is material
T or F. Everything an analyst knows is imputed to the prosecutor if they contain
exculpatory or impeachment information
True
What is exculpatory evidence?
evidence that tends to exonerate the defendant, prove he is not guilty of the crimes charged, or
that tends to excuse, justify, or clear the defendant
What is mitigating evidence?
evidence that tends to reduce the defendant's moral blameworthiness, or that might be used to
reduce the defendant's punishment
What is impeachment evidence?
evidence or information used to assess the credibility or reliability of the government's witness
what are 3 things in the evolution of the brady rule
CORRECT ANSWERS!!
What 6 things must be established for evidence before court presentation?
1. How the evidence was collected
2. Who collected the evidence
3. where it was collected
4. who has custody of the evidence
5. how the evidence was processed
6. when changes of custody occured
What is data defensibility?
the process that provides sufficient assurance, both legal and technical, that assertations made
about a sample and its measurable characteristics can be supported to an acceptable level of
certainty
What must be done if evidence may be altered or consumed during analysis?
contact the client and inform them of the risks and for permission to continue with the analysis
T or F? You should maintain an adequate portion of the evidence for potential rested,
testing by other methods, or testing from other labs
True
Each item or its proximal container shall be marked with the following 5 things
Item number, case or incident number, identification of person who collected item, date item
collected, and brief description
T or F? Before a genetic profile can be uploaded, it must meet the requirements set by the
National DNA Index System (NDIS) as well as the State of Texas
True
What are some examples of Trace Evidence?
,Small and/or microscopic material transferred from one source to another like hairs, fibers, paint,
glass, and primer gunshot residue
Potential for loss is ____ in trace evidence, therefore additional care must be taken
high
in seized drug analysis, all collected material should be treated as if _____?
it contains fentanyl
How do you packaged biological evidence?
· Moist or wet material possibly containing biological evidence should be packaged in paper
containers to allow them to dry
What is the significance of CoC?
Helps assure one's ability to support data and conclusions adequately from the time samples are
collected until sample disposal
When using a common carrier, the use of __________ on shipping containers should be
considered
padlocks or custody seals
What is destructive testing?
testing, examination, re-examination, disassembly, or other actions likely to alter the original, as-
found nature, state, or condition of items of evidence to preclude or adversely affect additional
examination and testing
Non-destructive tests should be done _______destructive testing.
before
In Reed v. State, post-trial DNA testing was denied, why?
The Judge concluded that a significant number of items did not satisfy the standard of "not been
substituted, tampered with, replaced, or altered in any material respect"
What is required before evidence can be destroyed?
, must be approved by law and departmental policy
What is the State's role in disclosure?
The State must produce everything to a defendant for inspection and copying, and the State must
document everything that is produced
In Brady v. Maryland, the Brady Rule was created. What is it?
Rule that states that the suppression by the prosecution of evidence favorable to an accused, that
violates due process and is material to either determination of guilt or punishment in the case,
irrespective of the good faith or the bad faith of the prosecution
Something is considered a Brady violation if it consists of these 3 things
1. suppression of evidence by the prosecution
2. The evidence is favorable to the accused
3. The evidence is material
T or F. Everything an analyst knows is imputed to the prosecutor if they contain
exculpatory or impeachment information
True
What is exculpatory evidence?
evidence that tends to exonerate the defendant, prove he is not guilty of the crimes charged, or
that tends to excuse, justify, or clear the defendant
What is mitigating evidence?
evidence that tends to reduce the defendant's moral blameworthiness, or that might be used to
reduce the defendant's punishment
What is impeachment evidence?
evidence or information used to assess the credibility or reliability of the government's witness
what are 3 things in the evolution of the brady rule
