Confirming the rumors that XSEED would localize Killer is Dead for North American audiences is a press release from Kadokawa Games.  The press release states, “KADOKAWA GAMES today announced a partnership with XSEED Games to bring ‘KILLER IS DEAD’ to North America… ‘KILLER IS DEAD’ is expected to launch worldwide in Summer 2013 for PlayStation®3 and Xbox 360.”  Killer is Dead will be released in European territories by Deep Silver.

In addition to Killer is Dead, XSEED will be releasing Pandora’s Tower (the last of the three “Operation Rainfall” games) for Wii, Rune Factory 4 for Nintendo’s 3DS, Ys: Memories of Celceta and Valhalla Knights 3 for PlayStation Vita, and remakes of the first two Ys games for PC this year.

Source:  Joystiq