Undaunted Mettle (S03E01)

Noah Preston (Michael Hogan) is a very mysterious, but ambitious young architect. He is obsessed with designing the new buildings to replace the World Trade Center. But after arranging to meet someone, he turns up dead in Penn Station - stabbed with a screwdriver in the neck. Goren (Vincent D'Onofrio) and Eames (Kathryn Erbe) have a tough time figuring him out because he was so secretive. He didn't have a license but still worked at a decent firm, although his designs and ambitions far exceeded the type of shopping mall/development type work at his company. (iTunes)