A California man was arrested by the FBI and ordered to temporarily confiscate his weapons after allegedly communicating with the 15-year-old gunman who killed two people at her Wisconsin school, documents show.
The emergency gun violence warrant was served Tuesday on a 20-year-old in San Diego County’s Carlsbad, according to the order, which was obtained by NBC San Diego.
The warrant story says the California man had been communicating with Natalie “Samantha” Rupnow, who police say opened fire Monday at Abundant Life Christian School in Madison, Wisconsin, where she was attending, killing two people before committed suicide.
The FBI arrested the man “after it was discovered that he was plotting a mass shooting with the Madison Wisconsin shooter,” a Carlsbad police officer wrote in the weapons warrant.
The man “admitted to FBI agents that he told Rupnow he would arm himself with explosives and a handgun and target a government building,” the Carlsbad officer wrote.
The FBI has seen messages between him and Rupnow, the warrant said. No further details are given about the communication or the alleged plans.
The warrant was approved by a San Diego County judge and served at the Carlsbad home Tuesday just before 9 p.m., according to records. A court hearing on the order is scheduled for Jan. 3, the document said.
The warrant states that weapons were reported and sought, but does not say that police seized any weapons. The order requires anyone to surrender firearms and not own any weapons while it is in effect.
A vigil held on the grounds of Wisconsin’s capitol on Tuesday to mourn the victims of the shooting at Abundant Life Christian School in Madison.
A spokesperson for the FBI’s San Diego field office declined to comment Wednesday evening.
Carlsbad police said the investigation is being led by the Madison Police Department. A Madison police spokesman referred questions to the FBI.
It is not clear whether criminal charges will be filed. Neither agency reported criminal charges, and a spokesperson for the San Diego County District Attorney’s Office did not immediately respond to a request for comment.
No cases with the man’s name appeared in an online search of criminal cases in the province Wednesday evening.
A telephone number for the man or his family could not immediately be found in public records on Wednesday.
“There is no threat to the Carlsbad community at this time,” Carlsbad police said in a statement.
Investigators in Madison are trying to determine a motive for the shooting Monday morning.
Rupnow, a freshman, opened fire in a mixed-grade study hall, Madison police said.
A staff member, Erin West, 42, and a student, Rubi Vergara, 14, were killed, the Dane County Medical Examiner’s Office said, and other people were injured.
Rubi was in ninth grade and “her gentle, loving and kind heart was reflected in her smile,” the school said in a statement Wednesday after their names were released. “She was often seen with a book in her hand and had a gift for art and music,” it said.
West was a substitute teacher who became a full-time staff member. “ALCS is a better school for Erin West’s work,” the school said.
Two students suffered life-threatening injuries and remained hospitalized Wednesday, police said. Four other people with minor injuries have been discharged.
Two guns were found at the school, only one of which was used in the shooting, police said in a statement Wednesday. Madison Police Chief Shon Barnes has said the weapon used was a handgun.
The federal Bureau of Alcohol, Tobacco, Firearms and Explosives has completed its data tracking of the weapons, but police said no more information about the weapons was being released Wednesday.
Police are reviewing Rupnow’s social media accounts as part of the investigation, the police department said.
“Our team wants to reach out to anyone who may have had contact with Natalie Rupnow in the days and weeks leading up to the shooting,” Madison police said in the statement Wednesday.
This article was originally published on NBCNews.com
