The Evidence Department

The Evidence Department is the route through which evidence flows into and out of the Guyana Forensic Science Laboratory (GFSL). The intake, storage, distribution for analysis and subsequent recollection of evidence for release to the submitter takes place through the evidence department.

The Evidence Officer

Within the GFSL’s Evidence Department is the Evidence Officer who is responsible for the intake, storage and distribution of evidence. The Evidence Officer is also responsible for the dissemination of information to the submitter, as it pertains to the availability of an item that was submitted.

Packaging Requirements

Items that are submitted to the GFSL are submitted in packages that are prescribed by forensic science laboratories and international agencies that are involved in the forensic science process. The packages vary based on the type of item that is being submitted.

Examples of Evidence Packaging Materials

Item

Type of Evidence

Appearance of Package

Blood Tube Container and Caps

Blood

 

Breathable Evidence Pouches

 

 

Wet evidence, such as blood-stained clothing that has not been air-dried.

 

Glassine Evidence Envelope

Trace evidence, such as hair, paint chips and fibers.  

 

Integrity Evidence Bag

 The Liquid or Solid Specimen Container and the Polystyrene Evidence Collection Jars can be placed in this bag after the container has its contents. Capsules should be in a rigid container and powders should be in a glass jar before being placed in this bag.

 

Knife Evidence Box

For knives and other sharp tools. Guns shall be placed in gun boxes which appear similar.

 

Liquid or Solid Specimen Container

Ideal for urine; fecal matter.

 

Polystyrene Evidence Collection Jars

Stomach contents; liver, kidneys and other body tissues and  bones.   

 

Pre-Printed Kraft Evidence Bag

Ideal for plant material that has been air-dried and for materials that have been air-dried that bear biological fluids/stains.  

 

 

 

Rejection Criteria

The GFSL reserves the right to refuse any submission that does not comply with its policies. Rejection of any submission will be followed by a Rejection Notice which will outline the reason (s) for which acceptance is not possible at a given moment, inclusive of:

·       The Request for Laboratory Examination Form is incomplete.

·       The Supervisor/Certifying Officer’s signature is absent.

·       The item(s) attached to the Request for Laboratory Examination Form do not match the description(s) given on the form.

·       All of the items described on the Request for Laboratory Examination Form are not attached.

·       Attached items are not included on the Request for Laboratory Examination Form.

·       Items are packaged improperly.

·       Packages are not completely sealed.

·       Packages and/or the items therein are wet; Package is leaking.

·       The Item ID is not unique.

·       The Item ID is illegible and/or damaged.

·       The analysis requested is not within the scope of the Guyana Forensic Science Laboratory.

·       The Guyana Forensic Science Laboratory is not authorized to receive submissions from the agency and/or bearer.

·       Or any other reason the Laboratory finds that is reasonable to reject submission.

Submission to the Guyana Forensic Science Laboratory.

Evidence being submitted to the Guyana Forensic Science Laboratory Form should be properly documented on the relevant GFSL Request for Laboratory Examination Form. These forms are completed in triplicate.

Types of Submission Forms:

  • Request for Laboratory Examination Currency Form
  • Request for Laboratory Examination Chemistry/Trace Evidence Form
  • Request for Laboratory Examination Forensic Video Analysis Form
  • Request for Laboratory Examination Toxicology Form

Request for Laboratory Examination Questioned Documents Form

 

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