Skyline High threat suspect faces felony harassment charge

October 4, 2012

By Warren Kagarise

NEW — 3:45 p.m. Oct. 4, 2012

King County prosecutors filed a felony harassment charge Thursday against the 16-year-old Edmonds boy connected to the online shooting threat against Skyline High School.

Police said Parker N. Mace posted the Skyline threat on the online bulletin board 4chan just before midnight Sept. 19. Issaquah School District officials closed Skyline the next day and raced to notify parents into the early morning hours.

The maximum penalty for felony harassment is up to five years in prison and a $10,000 fine.

On Wednesday, King County Chief Juvenile Court Judge Helen Halpert ordered electronic home detention and restricted computer access for Mace.

The suspect is due to appear in King County Juvenile Court for arraignment Friday.


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Police arrested Mace at home early Tuesday for harassment and cyberstalking, a week after investigators seized computers and cellphones from the suspect.

Investigators also uncovered evidence to link Mace to a similar threat against Lynnwood’s Meadowdale High School in April.

In the 4chan post about Skyline, the user outlined plans to take a sub-machine gun and “open fire on the people in the commons” the next morning and continue until the ammunition ran out, or law enforcement officers killed the shooter. The post made a specific reference to “jocks” as “the biggest offender” and also said “the people at that school use their wealth and social status to act superior to others.”

Police said comments Mace made on Facebook about the Skyline threat, plus information from friends of Mace, led investigators to the suspect.

Investigators seized computers and cellphones from the boy’s home Sept. 25. Mace told police they would not find anything incriminating on the computers.

Police did not find evidence of firearms or ammunition in the home. However, investigators did discover digital footprints to link a computer to the Skyline threat.

The user behind the 4chan post also included a photo purporting to show the sub-machine gun. Detectives discovered a thumbnail image and source for the image on the suspect’s computer. The photo came from a Filipino classified ad website.

Investigators also interviewed classmate of Mace at Edmonds-Woodway High School. The classmate said Mace boasted about the Skyline and Meadowdale threats a few days later in a computer programming class, as well as using a proxy server in Sweden.

Once Skyline reopened Sept. 21, a friend and Skyline student approached the school resource officer, Alana Hall, and mentioned the possible connection to Mace, a Skyline student from September 2010 until November 2011.

Hall described the suspect Tuesday as “a teenage boy who made some poor choices at times” and knew Mace through incidents reported to police.

In November 2011, administrators expelled Mace from Skyline for bringing LSD-laced gummy bears to school.

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