While none of the videos or images show the suspect's face, there are many defining features you can see that could help investigators and the public figure out who this person is. Here, there appears to be facial hair around the mouth, and here and here, distinctive shaped eyebrows showing through the eyeholes of the mask. The person's clothes may also be a clue.Light colored running shoes, this zip-up jacket, and reflectors on the backpack. In this photo, the glare suggests there could be a flashlight in ...

In Providence, Rhode Island, police released this surveillance footage showing a person of interest face covered by a mask, walking in the area of Brown University two hours before a gunman opened fire on a group of students preparing for finals, killing two and wounding nine. He rounded this street corner and walked down that way. Over there, you can see the building where the shooting took place.This area is surrounded by cameras, but it's unclear where he went next. The man's identity unknown. The FBI is ...