What are the legal challenges of a crime scene search?

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 are some of the difficulties in conducting crime scene searches?

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.


Forensic Photography – Photographs intended to be used as evidence in a civil or criminal trial.

  • Demonstrative versus Substantive Evidence. …
  • Fair and Accurate. …
  • Adversarial System. …
  • Prejudicial and Inflammatory. …
  • Irrelevant and Immaterial. …
  • Best Evidence. …
  • Fair and Accurate. …
  • Separation in Time from Event.
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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.

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 in crime scene investigation?


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.

How do you secure and isolate a crime scene?

Destroyed or altered evidence can never be used. As additional personnel arrive, crime scene tape, barricades, rope, and strategically placed guards may all be used to isolate and protect the scene. The investigator interviews the first responder, victim, or witness to learn what may have happened.

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What are the 3 phases of criminal investigation?

Applied to the criminal realm, a criminal investigation refers to the process of collecting information (or evidence) about a crime in order to: (1) determine if a crime has been committed; (2) identify the perpetrator; (3) apprehend the perpetrator; and (4) provide evidence to support a conviction in court.

What are the 3 tools of criminal investigation?

Tools ​To establish facts and develop evidence, a criminal investigator must use these tools-information, interview, interrogation, and instrumentation. 3.

What is the most difficult evidence to collect?

The type of evidence that would be most difficult to collect would be trace evidence such as fibers, hair, or specs of dirt. Special vacuums and other specialized tools such as tweezers are needed to carry out the collection of trace evidence. Trace evidence is often small and hard to find/collect.

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.

Is being a criminal investigator hard?

After initial training on the job, crime scene investigators continue learning on the job. Those with skill and experience are highly regarded by police. Breaking into the field can be difficult because of the number of applicants for each opening, especially in desirable locations.

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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