Balls of Light Video

We were sent this video of a basement with light orbs floating about. It was filmed using a Samsung Galaxy smartphone in Trumbull, Connecticut. The home is reportedly built upon an old Indian burial ground. But, are these ghosts?

After reviewing the video, the orbs float in front of the investigator and near the smartphone when examined. We suspect this is illuminated dust particles kicked up and airborn near the Samsung's camera lens. We would recommend reshooting this video with a round tub afixed around the lens to see if it helps to reduce or eliminate the balls of light. If it does, then, the orbs were near the smartphone camera; if the orbs are still visible to the camera's eye, then they are paranormal.