The CSI effect has had a very severe negative impact on forensic science in recent years with specific reference to its impact on jurors. Jurors now need more forensic evidence in convincing them that a defendant is guilty. Durnal (2010) ‘Jurors in a murder trial noticed that a bloody coat introduced as evidence had not been tested for DNA. They alerted the judge. The tests were not needed because the defendant had acknowledged being at the murder scene...’ This is an enormous burden for the court room as the prosecution may be forced to spend more time and money in doing forensic testing that may be superfluous. Another expectation of forensic science that jurors have is the speed at which they can operate, jurors often assume that forensic
