Beckett: This is where it all started. He pulled that trigger right in this room. One second, Sarah Vasquez is alive and dreaming of the perfect wedding, and then she isn't.
Beckett: You know he saw her face when he killed her? People always think that snipers are so removed from their targets. But he wasn't. He is as close as we are right now, looking through that scope.
Castle: We're gonna catch this guy.
Beckett: Yeah. Like we caught the guy that shot me.