JEFFERSON COUNTY — The former high school student who police said threatened to shoot up a Mid County high school last year pled guilty on Monday.

Triston Brantley Miller was charged with a terroristic threat after talking to other students about imitating the 1999 Columbine High School shooting around the time of the April 20th anniversary.

Miller pled guilty Monday, Dec. 10 in the Drug Impact Court and was sentenced to two years deferred adjudication and a $500 fine.

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According to a probable cause affidavit obtained by 12News in 2017, four students witnessed Miller talking about planning to shoot people on campus. He detailed which teachers he wanted to kill first, as well as which students he wanted to kill, the affidavit said. Miller also went into detail about shooting students in a certain hallway after lunch where they would be trapped.

The affidavit stated that Miller planned to carry out the attack on April 20. School officials notified police after several students overheard another student talking about the Columbine school shooting. The students said Miller told them "how cool it would be" to shoot students and teachers on the anniversary.

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Port Neches Police said in a release that Miller tried to recruit two other students to help and mentioned buying a gun.

When questioned, Miller told investigators he had talked to other students about the shooting,but said that he did not make threats towards anyone.