Doreen of the Pittsburgh Paranormal Society claims to have caught an entity on video. She says she didn't see the entity when she did the video pan of the room.
Article regarding the blue jacketed female ghost: http://www.prlog.org/11026540-entity-caught-on-video-during-paranormal-investigation.html (http://www.prlog.org/11026540-entity-caught-on-video-during-paranormal-investigation.html)
Video:
http://www.padeptofparanormalinvestigations.com/Video-Page.html (http://www.padeptofparanormalinvestigations.com/Video-Page.html)