Sexual Offenders

Police Department Public Dissemination Policy

State of Montana Sexual and Violent Offender Registration Information is provided below:
State of Montana Sexual and Violent Offender Information

Note: 46-23-509 MCA provides for sex offenders to be designated a level 1, 2 or 3. Violent offenders are not given designations.
Under this law, the following definitions apply to sex offender designations:
Tier #1 - The risk of a repeat sexual offense is low.
Tier #2 - The risk of a repeat sexual offense is moderate.
Tier #3 - The risk of a repeat sexual offense is high, there is a threat to public safety, and the sexual offender evaluator believes that the offender is a sexually violent predator.

Updated 10/8/2024

Blaney, Eugene Bradley

Address: 430 N. 'C' Street #14
DOB: 07/16/42
Tier Level: N/A
Registering Offense: Sexual Assault
Victim Profile: 10 year old male

Borgmann, Byron

Address: 1011 River Dr. #205C
DOB 11/20/1997
Tier Level: N/A
Registering Offense: Gross Sexual Imposition (Ohio)
Victim Profile: Female under 13 YOA

Coody, Derek Lee.

Address: Absconded
DOB: 12/16/1992
Tier Level: 2
Registering Offense: Sexual Assault
Victim Profile: Female under age of 16

Cornwell, Christian B.

Address: 419 S. I St.
DOB: 12/24/1972
Tier Level: n/a
Registering Offense: Possession of Child Pornography

Corvin, Kenneth John

Address:526 N. "K" St.
DOB: 12/31/81
Tier Level: 1
Registering Offense:Sexual Assault
Victim Profile: 15 year old female

Ehrhart, Kenneth Ray

Address: 1515 W. Park St. #326
DOB 1/31/1951
Tier Level: 2
Registering Offense: Indecency with a Child (TX)
Victim Profile: 12 year old Female

Johnson, Lukas

Address: 329 S. 13th
DOB: 2/14/90
Tier Level: 1
Registering Offense: Sexual Assault without Consent
Victim Profile: 15 year old female

Kokot, Cyle

Address: 616 North 8th St.
DOB 3/06/1992
Tier Level: 1
Registering Offense: Sexual Assault
Victim Profile: 14 year old Female

Larrabee, Levi Mitchell

Address: 222 East Clark Street
DOB: 01/30/83
Tier Level: N/A
Registering Offense(s): Sexual Assault, 2 counts
Victim Profile: 2 year old male, 11 year old male

LoPresti, Steven J.

Address: 326 N. "L" St.
DOB: 10/16/1956
Tier Level: N/A
Registering Offense: Sexual Intercourse w/out Consent
Victim Profile: not available

Troftgruben, Bojan Joseph

Address: 704 N. 12th St.
DOB: 8/17/1990
Tier Level: 1
Registering Offense: Sexual Intercourse w/out Consent
Victim Profile: 14 year old female

Watts, Charles Stuart

Address: 106 North "C" St.
DOB 1/09/1954
Tier Level: 2
Registering Offense: Sexual Assault w/out Consent
Victim Profile: 36 year old Female

Sexual Offenders

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