He was charged with felony burglary, forgery and theft in Utah during October 2000, after he burglarized a neighbor's apartment and made out a stolen check to himself for $300.

Allgier, armed, barricaded himself inside a hotel room but was captured by a Salt Lake City SWAT team after falling through the ceiling where he had tried to hide.

[15] In January 2015, Allgier lost his right to legal representation after repeatedly making frivolous objections to, and threats against, his court-appointed attorneys during his appeals of the life sentence.

[16] In November 2017, the Utah Supreme Court rejected Allgier's self-represented motions to withdraw his guilty pleas.

He has multiple swastikas, including ones tattooed on either side of his nose, earlobes, chin, center brow, and front of his ears.