What is the most challenging issue when assessing a crime scene?

The biggest impediment to an investigation is the removal or loss of a piece of evidence from the scene of a crime. Due to the high movement of human traffic in a crime scene, it is likely for items to be misplaced, stolen or moved.

What is the most challenging aspect of processing a crime scene?

All evidence within the physical environment of the crime scene is critically important to the investigative process. At any crime scene, the two greatest challenges to the physical evidence are contamination and loss of continuity.

What is the biggest problem crime scene technicians encounter and why?

The biggest problem encountered in crime scene investigations is too many non-essential personnel in the scene. Unfortunately, the bulk of these non-essential personnel are often police officers.

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The major legal challenge that is faced during a crime scene search is whether a search warrant is needed to remain at the crime scene after the original response ofthe law enforcement officers.

What is the biggest problem that crime scene technicians face on the job?

Grand Rapids, Michigan, Police Department. Ask crime scene technicians to name the biggest problem that they encounter on the job and you will consistently hear the same response—crime scene contamination by curious officers, detectives, and supervisors.

What are the 7 basic steps in crime scene investigation?

7 Steps of a Crime Scene Investigation

  • Identify Scene Dimensions. Locate the focal point of the scene. …
  • Establish Security. Tape around the perimeter. …
  • Create a Plan & Communicate. Determine the type of crime that occurred. …
  • Conduct Primary Survey. …
  • Document and Process Scene. …
  • Conduct Secondary Survey. …
  • Record and Preserve Evidence.

What are the 5 steps of crime scene investigation?


Is being a CSI dangerous?

The analysts who work in the crime lab and even those who gather evidence from the scene after a crime are generally not in these high-risk circumstances or in close contact with suspects. As a result, CSI careers are less dangerous than those of police officers and detectives.

Do we need to protect the crime scene Why?

After a crime scene has been discovered, measures must be taken to secure and protect the scene from contamination. … Evidence that has become contaminated, tampered with, or mistreated can pollute the scene and cause a case to be thrown out of court.

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What should be done to protect the evidence at a crime scene?

Limit access to and movement on the crime scene. Secure the scene by moving bystanders to a designated area. If the route used by the perpetrator to get to and from the scene is known, alternative access routes to the scene need to be identified for use by emergency personnel and police.

Who secures a crime scene?

Police officers are typically the first to arrive at a crime scene. They arrest the perpetrator if he’s still there and call for an ambulance if necessary. They are responsible for securing the scene so no evidence is destroyed. The CSI unit documents the crime scene in detail and collects any physical evidence.

When securing a crime scene the two most important factors are?

The two critical factors most likely to change the crime scene are people and the weather.

Why must the first consideration in crime scene investigations be the legal implications of evidence collection?

Why must the first consideration in crime scene investigations be the legal implications of evidence collection? … To prevent contamination that can occur at any time after a crime, evidence collection should be done in a timely manner.

What is the difference between a CSI and a crime scene technician?

That’s where forensic science technicians come in. While crime scene investigators work at crime scenes and collect evidence, forensic science technicians work in laboratories and examine the evidence that has been collected for possible clues about what happened and who might be responsible for the crime.

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What issues would make collecting evidence at a crime scene challenging?

The 5 Biggest Problems Crime Scene Technicians Encounter

  1. Curiosity from spectators. Crime scenes draw a lot of attention from various quarters including the police investigation department and the media. …
  2. Contamination or tampering of the scene. …
  3. Loss of evidence. …
  4. Conflict with other departments. …
  5. Ease of access.


What type of evidence is usually found at crime scenes on television shows but not always found at real crime scenes?

DNA evidence is usually found at crime scenes on television but not always found at real crime scenes.