User blog comment:Ramallah/Mass Effect 3 details revealed/@comment-1221773-20110416160706/@comment-1900300-20110417023351

It definatly looks like Shep's cabin and seems to be an assassination attempt by Cerberus. It is only art so it may not get into the game though. Your Kai Leng idea is good though. Maybe TIM ungraded him with Reaper tech and thats why Cerberus is after Shep, as Kai Leng is under their control.