There are many shows on TV that purport to 
reflect a day in the life of a crime lab but follow the link below and read what it’s like in West Yorkshire, UK. It will give you a better idea for your stories of just what they deal with, how often and how long it will take. remember to go through the Gallery to view some very good images.
Don’t forget, there are links to forensic issues and much more in the British Police and Crime Directory for Writers and Researchers by clicking on the picture below:
crime writing solutions 