I used to be a forensic scientist,Gary Jenkins,help the police in their investigation,forensic scientist,find fingerprints,CSI,find shoeprint,burglaries,driving offenses,reality,solve crimes,Every contact leaves a trace,hairs,detect alcohol and drug in blood samples,spent much time in the laboratory,DNA profiling technique,help the police to solve crimes,analyze blood,detected fingerprints,he went to the crime scene,detected poison,crime scene,collect samples,Tv dramas don't reflect reality,police,the role of a forensic scientist,lecturer,TV dramas don't reflect reality,fingerprints,laboratory,usually analyze blood samples,usually analyze blood,for example,identity,profiling technique,students,university,culprit,