California man Alexander Paffendorf, 20, detained after allegedly plotting coordinated attack with Wisconsin school shooter Natalie Samantha Rupnow

A 20-year-old California man was detained for allegedly planning a mass shooting at a government building in a parallel and coordinated attack with the teenage girl who gunned down two people at a Wisconsin Christian school on Monday, according to a report.Alexander Paffendorf, of Carlsbad, exchanged messages with Natalie “Samantha” Rupnow, 15, about targeting a local government building while she planned to shoot up the Abundant Life Christian School in Madison, according to a gun violence restraining order obtained by CBS 8.“During an FBI interview, Paffendorf admitted to the FBI agents that he told Rupnow that he would arm himself with explosives and a gun and that he would target a government building,” the two-page restraining order from the Carlsbad Police Department states.A San Diego Superior Court Judge approved the restraining order Tuesday night, according to the local California news station.This is a breaking story.Please check back for updates....