When you're home alone at night and hear a mysterious noise from above, it's much more likely to be mice in your attic than a poltergeist, which is basically a noisy ghost. But the two stories we have today are a little more than mice in the attic.
The Portsmouth Poltergeist - Neptune Ghosts
Ballard man says he’s haunted by his paranormal past | The Seattle Times
San Pedro Haunting: Jackie Hernandez's Sinister Poltergeist (the-line-up.com)