Today Artem Vaulin, Ukranian citizen was arreested as a person who created and operated KickassTorrents website.
He made a stupid mistake when he downloaded app from his iPhone with KickassTorrents ip address. At that moment he was identified as a peson who has direct implications in website activity.
More info could be read here - http://www.theverge.com/2016/7/20/12243592/kickass-torrents-artem-vaulin-founder-arrested-domains-seized