Contributing authors of articles and those who maintain pages linked to this site assume total responsibility for the contents and accuracy of their articles and pages. While the information presented here is from reliable sources, there is no substitute for training or personal experience. Before utilizing any technique described here, be sure and check your local regulations and procedures. If you are in doubt as to which technique to use or how to apply it, contact an expert in the field in question. Crime Scene Investigation Limited is to provide the best equipment possible to our customers in order to make their job safer and easier. Scene Investigation Limited are committed to being the leading provider of cutting edge technology helping to improve criminal detection rates whilst at the same time driving down operating costs. Sirchie has been THE source for criminal investigation and forensic products and supplies, custom vehicles and accredited training to the worldwide law enforcement community. Combining first class customer service and adhering to strict manufacturing quality standards enables Sirchie to support and assist a demanding forensic market. While investigators in the real world may not be Batman, they do have a number of tools, both low-tech and high-tech, at their disposal. A paper and digital trail of evidence is collected and is subjected to forensic treatment. Investigators may need footage from security cameras at the scene of the crime and the surrounding businesses. In a white collar crime, investigators obtain consent from the victim to create documentation, which may be needed from financial or government institutions in which the crime occurred. England allows investigators to fingerprint bullets using an electrical charge to detect metal where it was corroded by finger sweat. Forensics can detect "fingerprints" in a person's brain by recording the brain's response to stimulation. Brain fingerprinting allows detectives to determine if a person has knowledge of an event.