The unit is mandated to undertake the following functions;
i. Gather, receive, process and analyze biological samples originating from crimes and incident scenes
ii. Forensic serology and Deoxyribonucleic Acid (DNA) analysis
iii. Generate DNA profiles of suspects, accused persons, convicted criminals, unidentified human remains and missing persons
iv. Liaise with field officers in sampling and field-testing activities
v. Training and capacity building of investigators on how to handle exhibits containing biological evidence
vi. Establish and maintain a DNA database
vii. Produce expert opinion in courts
viii. Criminal profiling using DNA analysis
ix. Perform any other functions that may be referred to it by the Director Forensics or the Director of Criminal Investigations
The Unit consists of the following sub-units:
a) Evidence recovery - receiving of exhibits, evidence screening, microscopy, use of alternate light source, documenting of exhibits, registration of exhibits received.
b) Forensic serology - identification of biological fluids, presumptive and confirmatory tests, collection of samples for analysis.
c) Extraction - performing both manual and semi automated, purification and isolation of DNA for further analysis.
d) Amplification and Quantitation - performing PCR to increase DNA copies, DEtermination of the quality and quantity of DNA in a given sample.
e) Capillary Electrophoresis and sequencing - generating DNA profiles to be used for the purpose of identification
f) Data Interpretation and Analysis - interpretation and analysis of the DNA profiles, statistical calculations used to determine likelihood ratios and random match probability. preparation of DNA analysis report and expert testimony in court.
g) DNA Databasing - uploading of DNA profiles for storage and future reference. Research Training and capacity building - staff training and competency assessment, delivery of lectures to other institutions, sensitization of other officers on how to handle biological evidence, training on emerging technologies and continuous improvement.
