Officials seized guns and ammunition from Alexander Paffendorf after he allegedly admitted to communicating with Natalie ...

Paffendorf allegedly shares the same aversion to government as his mother — the 20-year-old has been accused of planning a ...

Alexander Paffendorf had allegedly planned a mass shooting at a government building in a parallel and coordinated attack with ...

The FBI has detained Alexander Paffendorf, a 20-year-old man from California for allegedly conspiring with the 15-year-old ...

Authorities are unraveling a chilling case involving a 20-year-old California man and a 15-year-old Wisconsin girl who ...

FBI agents interviewed Alexander Paffendorf, 20, late Tuesday, according to a court order obtained by The Washington Post.

Alexander Paffendorf, of Carlsbad, exchanged messages with Natalie “Samantha” Rupnow, 15, about targeting a local government building.

Authorities say Alexander Paffendorf told the Madison school shooter he planned to attack a government building.

Authorities detained a California man and seized guns and ammunition from his home in the ongoing investigation into the ...

FBI agents served Alexander Paffendorf after discovering he was in contact with the shooter and coordinating an attack at a ...

A San Diego judge on Tuesday authorized the order, demanding that Paffendorf surrender any firearms and ammunition, while ...