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 ...

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

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

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

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

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

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

MADISON, Wisconsin — Authorities have detained a California man on suspicion ... FBI agents detained and interviewed Alexander Paffendorf, 20, a resident of Carlsbad, late Tuesday, according ...