Judge Joe Kirby ordered their releases to their parents, the third and fourth cases in which a polygraph was used in deciding if a student should be released while the case is pending.
RELATED: Two Warren County boys freed after passing polygraphs
The 12-year-old was detained on Feb. 23 for allegedly writing in a letter “that he wanted to kill everyone and wanted to shoot up the school,” according to court records.
In the charging documents, Officer Shane Brandenberg of the Hamilton Twp. police said the boy ”wrote a threatening letter, threatening another student in the school and threatening that he wanted to shoot up the school.”
EARLIER: Bomb threats plaguing Warren County schools again
He is facing expulsion from the Little Miami Schools, according to Assistant County Prosecutor Sarah McMahon.
The boy, who attends the county alternative school in Clearcreek Twp., is charged with making false alarms and inducing panic.
The 14-year-old had been in detention since Feb. 16. He is accused of posting threats on social media alarming the Little Miami school community.
Also Friday, an eighth case was filed against a Lebanon boy detained after he allegedly made a threat.
RELATED: Lebanon High School student accused of threatening another student with social media