These courses represent specific topics within each and every field of the forensic sciences. Thus in forensic chemistry the courses include:
(i) Residual analysis of gunshot; (ii) Paints and ink analysis.
In Forensic biology the advanced re¬freshment courses include:
(i) DNA profiling techniques;
(ii) DNA data stations.
In Forensic physical evidences the refreshment programs in¬clude:
(i) Hand writing examination;
(ii) Magnetic cards examination;
(iii) Shoes, tires and foot impressions lifting and computer database for sports shoes.