DES MOINES, Iowa – A Waterloo high school teacher is on administrative leave after he left a threatening Facebook comment on a news story about climate activist Greta Thunberg’s Iowa City visit Friday.

Matt Baish, a science teacher at Waterloo West High School, posted “Dont have my sniper rifle” Thursday on an article shared from Little Village Magazine about Greta Thunberg, a 16-year-old Swedish girl who has been a leading voice of youth activism around climate change.

Baish’s comment, in addition to his own Facebook page, appears to have been deleted. But screenshots of his comments were posted on the Waterloo Community School District Facebook page.

The…