Intentional tampering cases in forensic drug case going beyond the original few hundred originally published.
She said: ‘The organisation concerned held accreditation to the appropriate quality standard, but the malpractice was not discovered by the usual quality checks.
‘This raises a number of questions, including: a, whether or not malpractice is more widespread than at one organisation; and b, whether or not the quality standards need to be strengthened.’
http://www.dailymail.co.uk/news/article-4980962/Forensics-scandal-hits-10-000-cases.html