D.J. Schilling, M.S., has worked in the Criminal Justice Field since 2006 as a Correctional Officer, STG specialist, and gang instructor. His specialization is in the use of the Runes & symbology used by white supremacist groups, criminal intelligence processes, and alternative religions/beliefs. In 2020, David authored the book, “Norse/Germanic Runes & Symbols: Field Reference Guide for Law Enforcement & Corrections.” Since that time, David has shared information about the Runes & white supremacist symbology with U.S. based gang investigator associations, various local, state, and Federal agencies, prosecutors, and UK police.