Could there be a glitch? In the PC version of LA Noire, I have started the case "A marriage made in heaven" and when I try to zoom in on the 'bloody knife' found in the trash can the sound of zooming in starts, then quickly stops. The new clue doesn't register as new evidence. I thought there might be a patch required but I can't find one. Has anyone else experienced this? Is there a way to fix this strange glitch?