New forensics technology can detect blood specks on dark clothing within seconds

New forensics technology can detect blood specks on dark clothing within seconds (James Manning/PA)
Forensics scientists are now able to spot tiny specks of blood on dark clothing in a matter of seconds, sometimes resulting in crucial evidence.
Traditional methods, which have been used for 100 years, involve hours of painstaking examination but the new technology means suspects can be quickly identified or eliminated in a murder investigation, for example.