Exclusive: Alleged Crimes Include Nov. 2021 Assault of Minor on LSHS campus

J425: Victims of sex crimes include underage Viking students...Viking students held walk out protesting sex abuse three weeks after on campus sex crime; Hein and Mattingly's surprising connection

KEY TAKEAWAYS: Prosecutors are set to detail a series of sex crimes that victimized a minor student on the LSHS campus in the late afternoon of Thursday, Nov. 4, 2021.

Additionally, J425 reporting confirms that underage Viking students are among Hein’s victims — with police working to identify multiple additional victims.

Hein’s charges make it 29 straight years of sexual predators on staff at LSHS.

No Viking graduating class has enjoyed a high school career free of sexual predation by adult men since 1994.

Hein Continues to Collect $143K Salary 14 Months After Nov 2021 Incident.

J425 re-examines a series of student protests that shook Lake Stevens High School in late 2021, including a student walk out that brought attention to claims that male staff were abusing female students.

Student walk out against sexual misconduct took place three weeks after Hein’s alleged on campus assault of a minor victim.

Protest cited disgraced teacher Chris Mattingly, complained of a climate of abuse at LSHS.

School administrators non-plussed by cry for help, said student protest made them uncomfortable, criticized protest’s lack of organization.

Mattingly was forced out in 2016 after numerous serious sexual misconduct episodes involving Viking students, and countless instances of viewing porn at school.

Mattingly survived decades of serious documented complaints of sexual misconduct

The Mattingly Connection - District hired Hein and Mattingly as LSHS basketball coaches on the same day in 2003.

Mattingly and Hein played basketball together at PLU.

---

Lake Stevens — According to charging documents obtained by The Journal 425, prosecutors will detail a series of sex crimes they allege Lake Stevens teacher Mark Hein committed against a minor victim November 4, 2021 on the Lake Stevens High School campus.

J425 is the first to confirm that Hein’s sexual abuse of minors took place on the Lake Stevens High School campus. Similarly, J425 can exclusively confirm that underage Viking students are among Hein’s victims.

Hein, 55, is the longtime Lake Stevens teacher, coach, Young Life leader and self-help author arrested Wednesday and booked on six charges of sex crimes against minors.

According to a Lake Stevens School District release, Hein was placed on paid administrative leave last August as a result of misconduct investigations.

Hein remains on paid leave, collecting annual compensation of $143,000.

When Hein is arraigned Tuesday morning, prosecutors will state that Hein sexually assaulted a minor student on the LSHS campus at 5:00 pm on Thursday, Nov. 4, 2021.

The Nov. 4 crimes charged against Hein include Sexual Misconduct with a minor, Assault – Fourth degree with a Sexual Motivation modifier, and Immoral Communication with a Minor.