I used to be a forensic scientist,help the police in their investigation,CSI,doesn't spend much time on a crime scene,I never watch those programs,holp ups,He is now a lecturer at the university,it's the 1st thing I teach my students,collect fingerprints shoeprints & blood,the role of a forensic scientist,a forensic scientist helps the police,burglaries,murders,work closely with the police,sometimes come to a crime scene,TV dramas don't reflect reality,detected poison,blood,analyze blood hairs or detected poison,collect samples,university,driving offences,DNA profiling technique,every contact leaves a trace,detect drug or alcohol in blood samples,most of the time in my laboratory,as Locard said,exagerated stories,their job was made easier in the mid 80s,TV dramas are uninteresting,