 Several undercover investigations carried out by the "ABC7 Whistleblower" and WKRG News5 investigators, revealed that almost half of the seafood was inaccurately labelled as a more expensive variety.This method of species identification used by the Therion International to uncover the seafood scam, was cited as "gold standard" by various labs worldwide.In February 2015, a credit dispute between universal primer technology and DNA barcoding came to light.