RJ has killed Jane's family and friends... Why Lisbon is not a victim yet? It's obvious that RJ knows that Lisbon is in love with Jane; She's a piece of cake for a serial killer.

But, we also know that RJ has a crush on Lisbon because when he killed Partridge, for the first time, he "marked" her face with his ritual "smiley face", which probably means that he considers that she is the only woman who deserves to live, in other words, he loves her.

So, the only one from the list who confessed love to Lisbon is Ray Haffner, in current season, episode 3.

Finally, Heller showed who RJ was, who are their "followers" and how they "operate", through Lisbon's nightmare in the same episode