 Logan was arrested yesterday on the 12th Avenue North Bridge. This is a picture of those moments. No motive has been released. We told you at 4 and 5 how many more arrests police are expecting to make in this case and that police believe they may have the gun that was used. Coming up tonight at 6, we're learning why police say they made the choice to arrest him at that strategic location. WDAY News reporter Matt Henson joins us live from the 12th Avenue North Rail Bridge tonight by the NDSU campus where the arrest happened.