Apprehension: Law enforcement, including the FBI and local police, used cellphone data to track Erickson to a Hampton Inn hotel, where he was detained. Two firearms were recovered from his hotel room.
Background: Wisconsin Roots: Erickson is originally from Cedarburg, Wisconsin. He is a graduate of the Wisconsin School of Business at the University of Wisconsin–Madison. Military Service: He served as an infantryman (11B) in the U.S. Army from May 2021 to November 2024, leaving with the rank of specialist and no combat deployments. Recent Residence: Public records indicate he most recently lived in an apartment in Washington, D.C., as of 2024. Investigation Status: As of Sunday, December 14, 2025, no charges have been announced, and the investigation is ongoing. Authorities have not confirmed a motive and are looking into his mental health history and a possible connection to Brown University. They are not seeking additional suspects. -- You received this message because you are subscribed to the Google Groups "massfire" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/massfire/CAFXWwKaYYowqoTbSvVraHhKawdp%3Dcp7kUZUtYZb%2B3ntaAJoCMA%40mail.gmail.com.
