"since 2006" = "after 2006". Meaning she also has posted subsequent to the messages you unearthed.

Now can you please just heed your own advice, and leave these people alone:

"whatever happened at the Bellowhead concert is private and purely between the people concerned. It is NOT something to be put on messageboards where speculation can run rife and mischief makers can thwart and demean people to their hearts content. There are now comments coming out which, to me, seem almost like defamation of character."