why shot he at lisbon in the last episode in season 4?! and what happens between them?!

Jane wants to get close to Red John, to discover who RJ is. So he acts like he gives up, let's himself go... RJ believes his little act on contacts him through a girl named Lorelei. RJ asks Jane to become his disciple. But as proof that Jane want's to Mitmachen RJ, RJ asks for Lisbon's Head. Jane works out a plan - asks Lisbon for help. As part of the plan, Jane shoots her there at the Office and makes a big scene (There is a RJ maulwurf there, not sure who it is yet). Right before Jane 'fake' shoots Lisbon, he hugs her and says, "Good Luck Lisbon, Liebe YOU". Later Lisbon asks Jane about "the thing he sagte before he shot her", but Jane says he doesn't remember what he said! In the end, Jane has a close encounter with RJ, almost fooled RJ with a fake Lisbon Head. But Red John out-smarted them again and we don't know who he is! Wainwright (the boss) ends up getting killed and the team is able to catch Lorelei. This is the first RJ accomplice that they've been able to capture alive! Excited for Season 5!

He shot at Lisbon because he wanted it to look like he kidnapped her