Question

Dr. Romano is teaching a group of police officers how to collect evidence at a crime scene. What would he most likely explain to the officers about cross-contamination? a. It is important to put all collected evidence in the same sealed bag. b. Only forensic scientists can truly collect evidence correctly. c. All evidence needs to be viewed by at least two officers to be verified. d. Evidence should be separated so it doesn’t transfer to other objects.

Answer 1

Dr. Romano would instruct police officers to avoid cross-contamination by ensuring evidence is separated and individually contained to maintain its integrity for forensic analysis.

Step-by-step explanation:

Dr. Romano, in teaching police officers how to collect evidence at a crime scene, would most likely explain that cross-contamination must be avoided to preserve the integrity of the evidence. The correct approach he would suggest is to ensure that evidence should be separated so it doesn’t transfer properties to other objects. This involves using individual containers for each piece of evidence, thus preventing any mixing of materials or transfer of particles that could compromise the investigation or the validity of the forensic analysis later in the courtroom.

Answer 2

Dr. Romano would most likely explain: d. Evidence should be separated so it doesn’t transfer to other objects.

Dr. Romano stresses the significance of preventing cross-contamination in evidence collection, highlighting its impact on investigation integrity. Separating evidence avoids unintended material transfer between items, preserving their individual integrity.

This precaution ensures the reliability and accuracy of collected evidence, vital for forensic analysis and legal proceedings. Dr. Romano's guidance aims to maintain the evidence's purity, minimizing the risk of compromising findings due to unintended contamination, crucial for establishing the facts in criminal investigations.