He recently said they have info on Trump but won't release it.
http://thehill.com/blogs/ballot-box/presidential-races/29345...
http://thehill.com/blogs/ballot-box/presidential-races/29345...
He then says that they would like to get hold of internal documents from the Trump campaign and calls publicly for people to send in things to be published from the Trump campaign.
If there was someone else out there claiming they sent wikileaks material of signifance that was not being published then that would be different.