In reply to johncoxmysteriously:
More like Sky not doping, shurely?
Anyway, it's all a bit confusing. reading the two articles on the cyclingnews front page seems to say:
JTL was tested, and/or supplied data to Garmin and Sky in 2012 before the Tour of Britain. These values were OK enough for Sky to sign him, an offer that was made before the ToB.
The UCI started testing him AFTER the Tour of Britain : late 2012 and 2013 whilst with Sky.
The UCI's expert has now decided that the 2012 data (post-ToB) looks dodgy compared to his 2013 passport data.
Coincidentally, his 2013 results whilst riding for Sky have been pretty poor. Dire compared to 2012.
So...
cynics would say that he was on the sauce throughout 2012 which explains how he won so much, then stopped after signing for Sky (thus explaining the lack of performance in 2013).
But that would mean that he managed (on his own, or with help from a dodgy doctor) to provide Sky with reasonable grounds to believe that he was clean. A subterfuge that has now been uncovered by the UCI of all people.