Steven Alvarado, 24, of Round Lake Beach.

A Round Lake Beach man who was being held in the Lake County Jail for posting threats against Carmel High School in Mundelein is facing new charges for allegedly beating a fellow inmate.

Steven Alvarado, 24, of the 1400 block of Beverly Drive in Round Lake Beach, was transported to the Lake County Jail in Waukegan on May 13.

Lake County Sheriff Spokesman Lt. Christopher Covelli said that Alvarado was in the booking area of the jail being processed around 5:30 p.m.

He was placed into a holding cell with two other inmates.

Covelli said that within minutes Alvarado began attacking a 39-year-old inmate by punching him repeatedly.

Corrections officers quickly intervened and stopped Alvarado from injuring the victim, Covelli said. The victim was treated by jail medical staff for scratches and bumps.

The incident was forwarded to the sheriff’s office criminal investigations division and Alvarado was charged on Wednesday with one count of battery.

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Alvarado was originally held in the jail on one count of harassment through electronic communications, a Class 4 felony.

File Photo – Carmel Catholic High School | Photo via Google Street View.

That charge stemmed from Alvarado making online comments that were threatening in nature towards Carmel High School in Mundelein in May, officials had said.

The Round Lake Beach Police Department arrested Alvarado at his Round Lake Beach residence around 12 p.m. May 12.

The threats, obtained by Lake and McHenry County Scanner, involved numerous different comments posted on Facebook by Alvarado.

One of them said, “Both My Hands Are Getting ItchyMight Have To Show Out Anyway Carmel Catholic Community Your MoveDon’t Drag Your Feet That Could Create A LOT Of Crying Mother’s.”

Another one of the man’s comments said that Carmel High School “is now on the clock.”

Alvarado remains held in the Lake County Jail on a $1 million bond. He is scheduled to appear in court again on June 9 for a preliminary hearing.