The Secret of HE ACCEPTED A PLEA BUT FOR YEARS A KY SCHOOL SHOOTER TRIED TO GET HIS CONVICTION VACATED

Nearly 25 years after a shooting at McCracken County High School killed three students and injured five others, Michael Corniel is being considered for parole this week

Corniel, 39, has been in prison for more than two decades

after pleading guilty to three counts of murder and other charges, agreeing to serve life in prison with the possibility of parole after 25 years

the aftermath of his sentencing, Corniel attempted to vacate his guilty plea

arguing that he was not mentally capable at the time to plead guilty

Those attempts were unsuccessful, and Corniel continues to wait in a state prison for his parole eligibility date

Here's what we know about Corniel's court case, and how state and federal courts have responded to her efforts

The fatal shooting inside Heath High School began on Thursday

November 27, 1997, when he broke into a neighbor's garage and stole firearms and ammunition from the home.

Additionally, Corniel told members of the parole board that he had taken a firearm from his father.

When he arrived at the school on December 1, 1997, Corniel said he had a pistol in his bag and several shotguns wrapped in blankets

He told interrogators that the objects hidden in the blanket

the blanket were for "an English project", which he accepted as an answer. "I went to the lobby and I took them off, I hung around for a while and I stood

Kays Steiger were killed in the shooting

Among the injured was Missy Jenkins Smith, who was paralyzed after Corniel shot her and used a wheelchair.

Corniel agreed to the deal and pleaded guilty through the "Alford plea".

He was sentenced on December 16, 1998. As a juvenile, he was placed in the Juvenile Justice Department until he turned 18 on November 1, 2001.

The Parole Board may decide to grant carnal parole or to adjourn its case

The parole board could also grant Corniel full relief, Monahan said, meaning he would have to serve out the rest of his sentence.