GUILTY MO - Jessica Mast, 4, beaten to death, Benton County, Dec 2020 *4 arrests, 2 guilty*

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Judge approves change of venue request in child death case - ABC17NEWS
7 Jan 2022
SBM

Judge Brandon Baker approved the request on Wednesday to send Aumen's case to Webster County. The legal team for Aumen filed in December a request to dismiss the charges filed against her. A judge has also previously declined to set a bond for Aumen.

Motion to dismiss filed for one suspect accused of killing a four-year-old girl - ABC17NEWS
6 Dec 2021
SBM

Aumen's lawyers say the charges do not state a cause against Aumen and do not inform Aumen of the nature and substance of the charges against her.
 
Published: Feb. 20, 2022 at 7:25 PM CST|Updated: 48 minutes ago
BENTON COUNTY, Mo. (KY3) - One of four people charged in the death of a four-year-old Benton County girl returns to court Tuesday.

Ethan Mast, 36, is one of four charged in the death of Jessica Mast. He faces first-degree murder and other charges in the girl’s death. When he reruns to court Tuesday, he will have the opportunity to either enter a guilty plea or his case will head to trial.

Prosecutors originally charged neighbors Ethan Mast and Kourtney Aumen with second-degree murder in the case. In April 2021, prosecutors upgraded the charges against them to first-degree murder. Aumen’s charge was later amended back to second-degree murder in October.

1 of 4 charged in beating death of Benton County child returns to court Tuesday
 
20BE-CR00454-01 - ST V ETHAN J MAST

Description: Murder 1st Degree { Felony A RSMo: 565.020 }
Date: 12/20/2020 Code: 565.020-001Y202009.0
OCN: PP000794 Ticket Number: 999999999 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Armed Criminal Action { Felony Unclassified RSMo: 571.015 }
Date: 12/20/2020 Code: 571.015-001Y202052.0
OCN: PP000794 Ticket Number: 999999998 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Abuse Or Neglect Of A Child - Resulting In Death Under Sec. 568.060.5(2) - No Sexual Contact { Felony A RSMo: 568.060 }
Date: 12/20/2020 Code: 568.060-001Y202038.0
OCN: PP000794 Ticket Number: 999999997 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment
Description: Armed Criminal Action { Felony Unclassified RSMo: 571.015 }
Date: 12/20/2020 Code: 571.015-001Y202052.0
OCN: PP000794 Ticket Number: 999999996 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Endangering The Welfare Of A Child Creating Substantial Risk- 1st Degree - 1st Offense - No Sexual Conduct { Felony D RSMo: 568.045 }
Date: 12/19/2020 Code: 568.045-005Y202038.0
OCN: PP000794 Ticket Number: 999999995 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Assault 1st Degree Or Attempt - Serious Physical Injury Or Special Victim { Felony A RSMo: 565.050 }
Date: 12/19/2020 Code: 565.050-001Y202013.0
OCN: PP000794 Ticket Number: 999999994 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment
Description: Armed Criminal Action { Felony Unclassified RSMo: 571.015 }
Date: 12/19/2020 Code: 571.015-001Y202052.0
OCN: PP000794 Ticket Number: 999999993 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Endangering The Welfare Of A Child Creating Substantial Risk- 1st Degree - 1st Offense - No Sexual Conduct { Felony D RSMo: 568.045 }
Date: 12/19/2020 Code: 568.045-005Y202038.0
OCN: PP000794

01/04/2022 Hearing Scheduled
Scheduled For: 02/22/2022; 1:00 PM ; MARK BRANDON PILLEY; Benton County Circuit Court
Hearing Held
DEFENDANT APPEARS WITH ATTORNEY. STATE APPEARS BY ASSISTANT PA. DEFENDANT REQUESTS CONTINUANCE. MATTER CONTINUED TO FEBRUARY 22, 2022 AT 1:00 PM FOR WAIVING OR SETTING PRELIMINARY HEARING ON 4 COUNTS (5-8). MBP
Scheduled For: 01/04/2022; 1:00 PM ; MARK BRANDON PILLEY; Benton County Circuit Court

01/03/2022 Motion for Continuance
Defendants Motion for Continuance; Electronic Filing Certificate of Service.
Filed By: LACON MARIE SMITH
On Behalf Of: ETHAN JOEL MAST

12/17/2021 Answers to Disclosure Filed
States Supplemental Disclosure; Electronic Filing Certificate of Service.
Filed By: KATHARINE ANNE DOLIN

11/03/2021 Motion for Disclosure
States Request for Disclosure; Electronic Filing Certificate of Service.
Filed By: KATHARINE ANNE DOLIN

11/02/2021 Answers to Disclosure Filed
States Supplemental Disclosure; Electronic Filing Certificate of Service.
Filed By: KATHARINE ANNE DOLIN

TUESDAY, FEBRUARY 22, 2022
Judge/Commissioner Time Day Setting Event
MARK BRANDON PILLEY 1:00 PM 1 OF 1 Hearing
Event Text: Location: Main Court Room Benton Benton County Circuit Court
Address: 316 VAN BUREN RD PO BOX 37 WARSAW MO

https://www.courts.mo.gov/casenet/cases/searchDockets.do
 
20BE-CR00458 - ST V JAMES A MAST

Charge/Judgment
Description: Murder 2nd Degree - Felony Murder - Durg Perprtn/Attmptd Perptrtn/Flight From Perptrtn Of Felony A Person Dies { Felony A RSMo: 565.021 }
Date: 12/20/2020 Code: 565.021-003Y202009.0
Ticket Number: 999999999 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Abuse Or Neglect Of A Child - Resulting In Death Under Sec. 568.060.5(2) - No Sexual Contact { Felony A RSMo: 568.060 }
Date: 12/20/2020 Code: 568.060-001Y202038.0
Ticket Number: 999999997 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Armed Criminal Action { Felony Unclassified RSMo: 571.015 }
Date: 12/20/2020 Code: 571.015-001Y202052.0
Ticket Number: 999999996 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Endangering The Welfare Of A Child Creating Substantial Risk- 1st Degree - 1st Offense - No Sexual Conduct { Felony D RSMo: 568.045 }
Date: 12/19/2020 Code: 568.045-005Y202038.0
Ticket Number: 999999995 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Assault 1st Degree Or Attempt - Serious Physical Injury Or Special Victim { Felony A RSMo: 565.050 }
Date: 12/19/2020 Code: 565.050-001Y202013.0
Ticket Number: 999999994 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Armed Criminal Action { Felony Unclassified RSMo: 571.015 }
Date: 12/19/2020 Code: 571.015-001Y202052.0
Ticket Number: 999999993 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Endangering The Welfare Of A Child Creating Substantial Risk- 1st Degree - 1st Offense - No Sexual Conduct { Felony D RSMo: 568.045 }
Date: 12/19/2020 Code: 568.045-005Y202038.0
Ticket Number: 999999992 Arresting Agency: SO BENTON COUNTY-WARSAW

02/01/2022 Judge/Clerk - Note
PRELIMINARY HEARING SET FOR 9:00AM 7-1-2022. MBP
Filed By: MARK BRANDON PILLEY
Preliminary Hearing Scheduled
Scheduled For: 07/01/2022; 9:00 AM ; MARK BRANDON PILLEY; Benton County Circuit Court
Hearing Held
Scheduled For: 02/01/2022; 8:00 AM ; MARK BRANDON PILLEY; Benton County Circuit Court

01/25/2022 Hearing Scheduled
Associated Entries: 02/01/2022 - Hearing Held
Scheduled For:
02/01/2022; 8:00 AM ; MARK BRANDON PILLEY; Benton County Circuit Court
Hearing Held
COURT GIVES DEFENDANT LIST OF DAYS AVAILABLE FOR PRELIMINARY HEARING. CASE RESET TO 2/1/22 8AM FOR STATUS REVIEW. MBP
Scheduled For: 01/25/2022; 8:00 AM ; MARK BRANDON PILLEY; Benton County Circuit Court

12/22/2021 Hearing Scheduled
Associated Entries: 01/25/2022 - Hearing Held
tree-collapse_button.jpg

Scheduled For: 01/25/2022; 8:00 AM ; MARK BRANDON PILLEY; Benton County Circuit Court
Hearing Continued/Rescheduled
DEFENDANT APPEARS WITH COUNSEL. COULSEL REQUEST ADDITIONAL TIME TO DISCUSS CASE WITH PROSECUTOR. CASE IS RESET TO JANUARY 25, 2022 FOR DEFENDANT TO WAIVE OR SET PRELIMINARY HEARING. MBP
Hearing Continued From: 12/22/2021; 9:00 AM Preliminary Hearing

12/17/2021 Answers to Disclosure Filed
States Supplemental Disclosure; Electronic Filing Certificate of Service.
Filed By: KATHARINE ANNE DOLIN

12/16/2021 Probable Cause Statement Filed
PC statement; Electronic Filing Certificate of Service.
Filed By: KATHARINE ANNE DOLIN
Amended Complaint Filed
Third amended complaint; Electronic Filing Certificate of Service.
Filed By: KATHARINE ANNE DOLIN

FRIDAY, JULY 1, 2022
Judge/Commissioner Time Day Setting Event
MARK BRANDON PILLEY 9:00 AM 1 OF 1 Preliminary Hearing
Event Text: Location: Main Court Room Benton Benton County Circuit Court
Address: 316 VAN BUREN RD PO BOX 37 WARSAW MO

https://www.courts.mo.gov/casenet/cases/searchDockets.do
 
20BE-CR00457 - ST V MARY S MAST

Description: Murder 2nd Degree - Felony Murder - Durg Perprtn/Attmptd Perptrtn/Flight From Perptrtn Of Felony A Person Dies { Felony A RSMo: 565.021 }
Date: 12/20/2020 Code: 565.021-003Y202009.0
Ticket Number: 999999999 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Armed Criminal Action { Felony Unclassified RSMo: 571.015 }
Date: 12/20/2020 Code: 571.015-001Y202052.0
Ticket Number: 999999998 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Abuse Or Neglect Of A Child - Resulting In Death Under Sec. 568.060.5(2) - No Sexual Contact { Felony A RSMo: 568.060 }
Date: 12/20/2020 Code: 568.060-001Y202038.0
Ticket Number: 999999997 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Armed Criminal Action { Felony Unclassified RSMo: 571.015 }
Date: 12/20/2020 Code: 571.015-001Y202052.0
Ticket Number: 999999996 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Endangering The Welfare Of A Child Creating Substantial Risk- 1st Degree - 1st Offense - No Sexual Conduct { Felony D RSMo: 568.045 }
Date: 12/19/2020 Code: 568.045-005Y202038.0
Ticket Number: 999999995 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Assault 1st Degree Or Attempt - Serious Physical Injury Or Special Victim { Felony A RSMo: 565.050 }
Date: 12/19/2020 Code: 565.050-001Y202013.0
Ticket Number: 999999994 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Armed Criminal Action { Felony Unclassified RSMo: 571.015 }
Date: 12/19/2020 Code: 571.015-001Y202052.0
Ticket Number: 999999993 Arresting Agency: SO BENTON COUNTY-WARSAW
Next Charge/Judgment

Description: Endangering The Welfare Of A Child Creating Substantial Risk- 1st Degree - 1st Offense - No Sexual Conduct { Felony D RSMo: 568.045 }
Date: 12/19/2020 Code: 568.045-005Y202038.0
Ticket Number: 999999992 Arresting Agency: SO BENTON COUNTY-WARSAW

02/01/2022 Judge/Clerk - Note
PRELIMINARY HEARING SET FOR 9:00AM 7-1-2022. MBP
Filed By: MARK BRANDON PILLEY
Preliminary Hearing Scheduled
Scheduled For: 07/01/2022; 9:00 AM ; MARK BRANDON PILLEY; Benton County Circuit Court
Hearing Held
Scheduled For: 02/01/2022; 8:00 AM ; MARK BRANDON PILLEY; Benton County Circuit Court

01/25/2022 Hearing Scheduled
Revised Event Information: New Event: Hearing;
Associated Entries: 02/01/2022 - Hearing Held
Scheduled For:
02/01/2022; 8:00 AM ; MARK BRANDON PILLEY; Benton County Circuit Court
Hearing Held
COURT GIVES DEFENDANT LIST OF DAYS AVAILABLE FOR PRELIMINARY HEARING. CASE RESETS TO 2/1/22 8AM FOR STATUS REVIEW. MBP
Scheduled For: 01/25/2022; 8:00 AM ; MARK BRANDON PILLEY; Benton County Circuit Court

12/22/2021 Hearing Scheduled
Associated Entries: 01/25/2022 - Hearing Held
tree-collapse_button.jpg

Scheduled For: 01/25/2022; 8:00 AM ; MARK BRANDON PILLEY; Benton County Circuit Court
Hearing Continued/Rescheduled
DEFENDANT APPEARS WITH COUNSEL. COULSEL REQUEST ADDITIONAL TIME TO DISCUSS CASE WITH PROSECUTOR. CASE IS RESET TO JANUARY 25, 2022 FOR DEFENDANT TO WAIVE OR SET PRELIMINARY HEARING. MBP
Hearing Continued From: 12/22/2021; 9:00 AM Preliminary Hearing

12/17/2021 Answers to Disclosure Filed
States Supplemental Disclosure; Electronic Filing Certificate of Service.
Filed By: KATHARINE ANNE DOLIN

12/16/2021 Probable Cause Statement Filed
PC statement; Electronic Filing Certificate of Service.
Filed By: KATHARINE ANNE DOLIN
Amended Complaint Filed
Third amended complaint; Electronic Filing Certificate of Service.
Filed By: KATHARINE ANNE DOLIN

FRIDAY, JULY 1, 2022
Judge/Commissioner Time Day Setting Event
MARK BRANDON PILLEY 9:00 AM 1 OF 1 Preliminary Hearing
Event Text: Location: Main Court Room Benton Benton County Circuit Court
Address: 316 VAN BUREN RD PO BOX 37 WARSAW MO

https://www.courts.mo.gov/casenet/cases/searchDockets.do
 
Benton County, Mo. man enters guilty plea in death of four-year-old girl



BENTON COUNTY, Mo. (KY3) - One of four suspects charged in the death of a four-year-old Benton County girl pleaded guilty on Tuesday.

Ethan Mast, 36, is one of four charged in the death of Jessica Mast. He faced first-degree murder and other charges in the girl’s death. He pleaded guilty to second-degree murder charges on Tuesday. He could face life in prison for the girl’s death.

Prosecutors charged Ethan Mast, Kourtney Aumen, James Mast, and Mary Mast. Aumen faces a second-degree murder charge. James and Mary Mast, the girl’s parents, face first-degree murder charges.

On Dec. 20, 2020, deputies responded to a rural home near Cole Camp and found the four-year-old wrapped in a blanket on a bedroom floor. Investigators said the girl was already dead and had bruises on her body, along with ruptured blisters. Sheriff Eric Knox said the girl’s parents also had been beaten along with a two-year-old child. An infant son of the couple was apparently unharmed.
 

Mary Mast entered a guilty plea to a first-degree child endangerment charge. Prosecutors agreed to drop seven other charges in the plea deal as long as she testifies against two other co-defendants. Prosecutors recommended to the judge she spends five years in prison.

Prosecutors charged the girl’s parents, Mary Mast and James Mast, Kourtney Aumen and Ethan Mast (no relation), for the death of four-year-old Jessica Mast.

Ethan Mast pleaded guilty in 2022 in the case.
 

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