What we know as the manhunt for the Brown University shooter nears 72 hours

The manhunt for the Brown University shooter is nearing the 72-hour mark with almost zero answers. In a murder case still full of unknowns, investigators have not announced a motive. They've not found a weapon, nor publicly identified their latest person of interest.They are, however, hoping these new images showing the suspect and gunman just hours before the attack could change that. You see him here masked in dark clothing and pacing. The FBI also released this description.He is quote approximately 5' 8 ...