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Justice News

Department of Justice
U.S. Attorney’s Office
District of Arizona

Tuesday, May 21, 2019

Inscription House Man Sentenced to Over 8 Years’ Prison and Lifetime Supervised Release for Sexual Conduct with a Minor and Domestic Violence Assault

PHOENIX – On May 20, 2019, Justin Mannheimer, 31, of Inscription House, Ariz., was sentenced by U.S. District Judge Douglas Rayes to eight years’ imprisonment.  Mannheimer had previously pleaded guilty to sexual conduct with a minor and domestic assault by strangling, a domestic violence offense.

Between Aug. 1, 2017 and Dec. 14, 2017, Mannheimer kept the victim, a minor, at his home -- at times without her consent.  During this time frame he sexually assaulted and strangled the victim.  Both Mannheimer and the victim were members of the Navajo Nation, and the offense occurred in Inscription House, on the Navajo Nation Indian Reservation.

The investigation in this case was conducted by the Federal Bureau of Investigation.  The prosecution was handled by Assistant U.S. Attorneys Sharon K. Sexton, District of Arizona, Phoenix.


CASE NUMBER:           CR-18-8037-PCT-DLR

RELEASE NUMBER:    2019-067_ Mannheimer


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Indian Country Law and Justice
Violent Crime
Press Release Number: 
2019-067_ Mannheimer / CR-18-8037-PCT-DLR
Updated May 21, 2019