How is evidence of an explosion collected in CSI?

How is evidence of an explosion collected in CSI?

Richard Saferstein (Former Chief Forensic Scientist) gives expert video advice on: How is evidence of an explosion collected in CSI?; How is an explosive identified in CSI?; What is a 'taggant' and how would it help in CSI? and more...

The investigation of explosions are very difficult at crime scenes because generally you would expect that most, if not all, of the explosive has been consumed so the crime scene investigator must identify the source or the point of the origin of the explosion, and collect all debris at that origin. It must be packaged and sent back to the laboratory for analysis.