Upload
galeno
View
46
Download
0
Tags:
Embed Size (px)
DESCRIPTION
ORGANIZATION OF THE AMERICAN STATES. First Meeting of Forensic Specialists of the Americas. OAS Headquarters, Washington DC. September 24 – 25, 2009. Trinidad and Tobago Forensic Science Centre Ministry of National Security 17 Barbados Road, Federation Park Port of Spain - PowerPoint PPT Presentation
Citation preview
ORGANIZATION OF THE AMERICAN STATES
First Meeting of Forensic Specialistsof the Americas
September 24 – 25, 2009
OAS Headquarters, Washington DC
Trinidad and Tobago Forensic Science CentreMinistry of National Security
17 Barbados Road, Federation ParkPort of Spain
Trinidad and Tobago
Arlette LewisDirectorTrinidad and Tobago Forensic Science CentreMinistry of National Security
National agency responsible for the provision of forensic pathology and forensic science services in the twin-island Republic of Trinidad and Tobago
Fully funded by the GORTT Major clients – law enforcement agencies Private cases at a nominal fee account for
< 0.5% of casework submissions Civilian staff (~ 65 of which 24 are experts)
Two Subdivisions
Forensic Pathology
Forensic Science
Forensic Pathology Subdivision
Responsible for performing post mortems in all cases of unnatural deaths in Trinidad and Tobago
Forensic Science Subdivision
Five sections providing scientific servicesin the disciplines of:-
BiologyChemistryDocument ExaminationFirearms & Toolmark ExaminationToxicology
Biology DNA profiling replaced the conventional
serology blood grouping methods for characterization of body fluids and stains in September 2008
PCR-STR/ Identifiler Databases not yet established
Chemistry Examination and analysis of Seized Drugs
(GC/FID and FTIR) Investigation of suspected cases of Arson – fire scene examination and analysis of debris (Tenax extraction & GC/FID) Examination of Stolen Vehicles (serial number restoration and examination of paint layer structure) Examination and identification of explosives (GC/ECD), glass (GRIM 3) and miscellaneous substances
Document Examination
Examination of Handwriting and Typewriting (VSC 4C)
Determination of Erasures and Alterations (ESDA 2) Examination of Counterfeit Currency Identification and Comparison of Inks (Foram 685-2)
Firearms and Toolmark Examination
Determination of calibre of firearms and ammunition
Determination of firearm from which ammunition was discharged
Determination of type of firearm used Examination of toolmarks
Correlation of shooting incidents using the Integrated Ballistics Identification System (IBIS). 5,731 entries and 436 confirmed hits to date
Collection of test fires and entry of ballistics data from 14,443 weapons on a legal firearms database (weapons from law enforcement, private agencies and individual FUL holders)
Toxicology
Screening and confirmation of drugs and poisons in body fluids taken at post mortems (Viva E, solid phase extraction UV-Vis, GC/NPD and GC/MS)
Blood alcohol determinations (Headspace GC/FID) Workplace drug testing (Viva E and GC/MS)
ACCREDITATION Legal requirement for DNA services to be
accredited by September 2010 All staff sensitized on process Key laboratory personnel trained in
Documentation, Auditing and Estimation of Uncertainty of Measurement
Revision of existing SOPs and Quality System documents in progress
Purchase of traceable standards, validation of methods and calibration of equipment in progress
Subscribes to CTS proficiency tests (no tests available for drugs and poisons in biological fluids)
Gap Analysis being conducted at present in the Biology and Toxicology Sections
Main Challenges Acquisition of supplies and equipment on
a timely basis from foreign sources Unavailability of local pool of trained
personnel for recruitment Training of staff
Thank You