WASECA — John LaDue, the Waseca teen accused of plotting a school shooting, told police he had experienced dark thoughts for years, according to a recent court filing.

He also allegedly videorecorded himself testing improvements to his makeshift bombs and shared dark jokes about a school shooting on Facebook with other students. Two other Waseca juveniles also posted comments about school shootings, according to the search warrants in the case. They have been charged with helping LaDue detonate test explosives.

“I have good parents. I live in a good town. I think I’m really mentally ill. And no one has noticed. I’ve been trying to hide it,” LaDue said.

He made a point of emphasizing to police that he had never been bullied.

LaDue, 17, is facing multiple attempted murder charges in Waseca County District Court for allegedly plotting to kill his family before attacking his high school with homemade bombs and firearms.

The new details are part of an approximately 1,000-page court filing. According the transcripts of his police interviews, LaDue said he felt he had serious mental health issues. He said he felt homicidal thoughts started manifesting around ninth grade but had no plan at the time. Beyond his eventual plot, the transcript said he had planned to poison other students he had grown tired of with potassium cyanide in a drink. When police asked LaDue if there is anything he needs, he responded he wanted to see a psychiatrist.

The transcript said he critiqued the “lame” death totals of the Boston bombs and hoped to exceed them. The transcript also said he planned to use an SKS rifle and sawed-off shotgun in his attack to “make a point” that school shootings can occur without high-capacity weapons.

“I didn’t want to prove that I was a wuss like all the other recent shooters, like Adam Lanza who shot himself. I wanted like to be taken down by the SWAT just to show that I wasn’t a wimp and not like willing to fight with equal force,” LaDue said.

When asked why he planned to kill his family before his attack, LaDue said his family had done nothing wrong but he wanted to have “as many victims as possible.”

The transcript also said LaDue stated he never harmed any animals but fantasized about exploding certain “annoying dogs.”

According to the April 29 report about the initial police interview with LaDue’s mother, Stephanie, she said there had been nothing to make her suspicious of her son and said she occasionally went into his room. Police seized firearms, explosive materials and bombs from his bedroom.

“She stated that she had no concerns about John. She stated there were no arguments, behavior changes or anything that caused her concern,” the police report said.

She told police she knew her son was into shooting guns at the range. She said she was told the various packages he received were related to those activities.

She also informed officers her husband, David, said he was not interested in leaving the house after police notified them of a possible active bomb there. She said her husband and her son shared an avid interest in firearms.

LaDue shot a video of his test CO2 cartridge explosives on a playground slide, according to the May 5 search warrants included in the filings.

He allegedly posted several other small videos with him detonating other makeshift explosives, holding a lighter flame to his hand and playing a game involving rapidly stabbing a knife in the gaps between his fingers while singing.