Three Dead, One Injured, Suspect in Jail after Mukilteo Shooting

by Sydney BrownstoneA relative of a witness told NBC that one of the victims was reportedly the alleged gunman's ex-girlfriend. Jaromir Chalabala/Shutterstock
A shooter fired into a party of 15 to 20 teenagers and young adults last night, KING 5 reports. Three people are dead, and one has been injured and is being treated at Harborview.
Here's more from NBC:
Susan Gemmer told The Associated Press that her 18-year-old granddaughter, Alexis Gemmer, hid in a closet to escape the gunman. She was han