User blog comment:Willbachbakal/(Champion Rework) Caitlyn, the Sheriff of Piltover/@comment-25228021-20150906115021/@comment-1876049-20150906131303

Uhm...

"Enemies can see if they are being focused or marked, and when marked a laser connects them to Caitlyn, visible through any form of  sight . Caitlyn can only mark one enemy at a time."