Victims
Carl Dutcher, 60
JoAnna Dutcher, 58
Tony Dutcher, 15
Details Of Guffey Triple Murder Emerge
Teens held in Jan. deaths of 3 in Park County
Two More Teens Arrested In Guffey Triple Murder
Lonely Sophomore Kills Best Friend, Blames Crime on Cult
Nightmare of family’s slaying lives on
Judge reduces Grimes’ sentence in Guffey killings
Kids with killer instincts
Bizarre Triple Homicide May Have Been Cult Killing
Ripple effects
Revisiting a shocking triple murder
Kids with killer instincts
Simon Says, by Kathryn Eastburn
Teen killer tells victims’ family to save their souls by dropping lawsuit
Books
Simon Says: A True Story of Boys, Guns, and Murder
Movies/Documentaries
Murder Comes To Town: Lord of the Rockies
Defendants
Isaac Grimes – pled guilty, sentenced to 50 years in prison
Jon Matheny – pled guilty, sentenced to 66 years in prison
Simon Sue – pled guilty, sentenced to 53 years in prison
Glen Urban – pled guilty, sentenced to 2 years (destroying the weapons used in the killings)
INMATE INFORMATION
SUE, SIMON E
Name: SUE, SIMON E
Age: 33
Ethnicity: ASIAN
Gender: MALE
Hair Color: BROWN
Eye Color: BROWN
Height: 5′ 02″
Weight: 100
DOC Number: 118982
Est. Parole Eligibility Date: 01/24/2024
Next Parole Hearing Date: Nov 2023
This offender is scheduled on the Parole Board agenda for the month and year above. Please contact the facility case manager for the exact date.
Est. Mandatory Release Date: 07/04/2050
Est. Sentence Discharge Date:
Current Facility Assignment: STERLING CORRECTIONAL FACILITY
CURRENT CONVICTIONS
Sentence Date Sentence County Case No.
08/26/2003 45Y-45Y PARK 01CR37
08/26/2003 45Y-45Y PARK 01CR37
08/26/2003 45Y-45Y PARK 01CR37
08/26/2003 8Y-8Y PARK 01CR37
INMATE INFORMATION
GRIMES, ISAAC R
Name: GRIMES, ISAAC R
Age: 29
Ethnicity: WHITE
Gender: MALE
Hair Color: BROWN
Eye Color: BROWN
Height: 6′ 02″
Weight: 120
DOC Number: 112508
Est. Parole Eligibility Date: 08/06/2025
Next Parole Hearing Date: May 2025
This offender is scheduled on the Parole Board agenda for the month and year above. Please contact the facility case manager for the exact date.
Est. Mandatory Release Date: 02/07/2053
Est. Sentence Discharge Date:
Current Facility Assignment: CROWLEY COUNTY CORRECTIONAL FACILITY
CURRENT CONVICTIONS
Sentence Date Sentence County Case No.
03/12/2002 35Y-35Y PARK 01CR25
03/12/2002 20Y-20Y PARK 01CR25
INMATE INFORMATION
MATHENY, JONATHAN E
Name: MATHENY, JONATHAN E
Age: 31
Ethnicity: WHITE
Gender: MALE
Hair Color: BROWN
Eye Color: BLUE
Height: 5′ 10″
Weight: 185
DOC Number: 119889
Est. Parole Eligibility Date: 05/23/2033
Next Parole Hearing Date: Mar 2033
This offender is scheduled on the Parole Board agenda for the month and year above. Please contact the facility case manager for the exact date.
Est. Mandatory Release Date: 05/23/2066
Est. Sentence Discharge Date:
Current Facility Assignment: BENT COUNTY CORRECTIONAL FACILITY
CURRENT CONVICTIONS
Sentence Date Sentence County Case No.
12/01/2003 18Y-18Y PARK 01CR24
12/01/2003 24Y-24Y PARK 01CR24
12/01/2003 24Y-24Y PARK 01CR24
12/01/2003 20Y-20Y PARK 01CR24