By Alexa Ball
T.J. Lane was charged Thursday in connection with the Ohio school shooting Monday, CNN said.
Court documents said that Lane was charged with three counts of aggravated murder, two counts of attempted aggravated murder and one count of felonious assault, according to CNN.
Lane went into the juvenile court with a guilty plea, the 17-year-old sophomore admitted that he brought a knife and .22-caliber gun to Chardon High School and fired 10 rounds, according to CNN.
Prosecutor David Joyce said that victims were selected at random and that Lane is someone "who's not well," according to the Star Tribune.