LAKE MILLS (WKOW) -- Police arrested an 18-year old man who they say threatened to kill several students at Lake Mills High School on Thursday.
Colin Z. Dohman of Cambridge was booked into the Jefferson County jail on a disorderly conduct charge.
Police say Dohman threatened to kill students involved in texting inappropriate messages about his ex-girlfriend.
She received the threats, according to police, and told school officials, who called police.
Lake Mills High School was putĀ on lockdown just after 2 p.m. and police went through the building to make sure it was safe.
Dohman was arrested at about 2:45 p.m. in Cambridge.