At one point, after a request from police conducting a cold case review in 2003, the samples could not be located, until they were eventually found, three years later, in a "sea of envelopes" inside a box on shelves at the Forensic Science Service laboratory
in Chorley, Lancashire.
The functions of the Forensic Science Service laboratory
at Wetherby are to be taken over by private forensic provider LGC.
The expert, based at the Forensic Science Service laboratory
in Chorley, had also examined biological samples taken from Ffion at post mortem to determine if she had been sexually assaulted.
This is one of the reasons why the loss of Birmingham's Forensic Science Service laboratory
would be such a blow to the city.
A source at the Forensic Science Service Laboratory
in London revealed the investigation into the tragic case is still ongoing with a huge team of officers involved.
According to Portuguese newspaper 24 Horas, a Policia Judiciaria (PJ) source said the conclusion came from preliminary results of tests conducted at the Forensic Science Service laboratory
in Birmingham last month.
The samples are now being analysed by the Forensic Science Service laboratory
, in Birmingham, which has perfected sophisticated techniques unavailable in Portugal.
The Forensic Science Service laboratory
in Birmingham is carrying out lucrative work for private companies and foreign police forces.
SIR - The National Assembly needs to be far more involved in the fight to retain the Forensic Science Service Laboratory
on Usk Road in Chepstow - the loss of 168 well-paid, quality jobs would be a blow to Chepstow and the surrounding area, as would the loss of FSS services in Wales.
He visited the Forensic Science Service laboratory
in central London and was taken through the latest techniques used to retrieve information from mobile phones damaged in bombings.
Forensic evidence collected at the time was retained in cold storage at the Forensic Science Service Laboratory
It was a tiny part of the seal of one envelope, uncovered at the Forensic Science Service laboratory
in Wetherby, which provided the breakthrough.