GRAND RAPIDS, MI -- A West Catholic High School honor roll student who allegedly threatened his peers with Instagram photos showing a man and a gun is back in the Kent County Jail this week.

Online records show Matthew Herrington, 17, now faces additional charges related to child pornography and using a computer to commit a crime. The most serious charge of computer use carries a possible life sentence with a conviction.

Grand Rapids police began an investigation involving Herrington after West Catholic administrators on Sunday, Feb. 22 found threatening messages circulating on Instagram.

The messages were sent to female classmates with threats and photos of a male holding a gun.

"He threatened (two students), 'You two will be the first. He then threatened (another girl) that, 'You will be number 5'" Detective Richard Lewis wrote in an affidavit about Herrington's case.

Lewis said investigators interviewed Herrington who "confessed to the Lazer.boom (acccount) on Instagram and admitted he was trying to scare the victims but had no intentions of following through on the threats."

Herrington allegedly wanted to observe fear in the students on a Monday morning.

He was later arraigned on two counts of false report or threat of terrorism and suspended from school

Herrington is lodged in the Kent County Jail Thursday after bond was set at $100,000 cash/surety for the latest charges, records show.