Gardaí have sought the help of the FBI as part of their ongoing investigation into the disappearance of a number of Irish women over a six-year period.
Senior officers have stressed however that there is no obvious link between the cases and that there is no clear evidence it may be a case of serial killing. According to a source close to Operation Trace all avenues were being followed 'and that the FBI's expertise in the area of serial killers was being used
