Iowa State Patrol: Department of Public Safety
Minimal Crash Report:

 Case Number:  202600183234  Type:  Fatality  County:  84
 Crash Date:  20260806  Time:  0549
 Location:  HIGHWAY 10/HICKORY AVE SIOUX COUNTY IA
 
 Vehicle 1 Year:  2018  Make:  DODG  Type:  CHARGER
 Towed By:  STOCKTON TOWING
 Driver Name:  MARTIN MARTIN,LAZARO MISAEL  Age:  19
 City & State of Residence:  ORANGE CITY IA
 
 Vehicle 2 Year:  2006  Make:  CHEV  Type:  IMPALA
 Towed By:  STOCKTON TOWING
 Driver Name:  LAHR, JEFFREY LEE  Age:  53
 City & State of Residence:  WESTFIELD IA
 
 Vehicle 3 Year:  2020  Make:  KW  Type:   
 Towed By:  STOCKTON TOWING
 Driver Name:  MATTHEIS, DENIS DUANE  Age:  39
 City & State of Residence:  PAULINA IA
 
 Injury 1 Type:  Fatality
 Name:  MARTIN MARTIN,LAZARO MISAEL  Age:  19
 City & State of Residence:  ORANGE CITY IA
 Seatbelt Use:     Life saved by Seatbelt:   
 Transported To:  MEDICAL EXAMINER  Transported By:  OOLMAN FUNERAL HOME
 
 Injury 2 Type:  Fatality
 Name:  LAHR, JEFFREY LEE  Age:  53
 City & State of Residence:  WESTFIELD IA
 Seatbelt Use:  Yes  Life saved by Seatbelt:  No
 Transported To:  MEDICAL EXAMINER  Transported By:  OOLMAN FUNERAL HOME
 
 Injury 3 Type:   
 Name:     Age:   
 City & State of Residence:   
 Seatbelt Use:     Life saved by Seatbelt:   
 Transported To:     Transported By:   
 
 Injury 4 Type:   
 Name:     Age:   
 City & State of Residence:   
 Seatbelt Use:     Life saved by Seatbelt:   
 Transported To:     Transported By:   
 
 Injury 5 Type:   
 Name:     Age:   
 City & State of Residence:   
 Seatbelt Use:     Life saved by Seatbelt:   
 Transported To:     Transported By:   
 
 Injury 6 Type:   
 Name:     Age:   
 City & State of Residence:   
 Seatbelt Use:     Life saved by Seatbelt:   
 Transported To:     Transported By:   
 
 Motor Carrier Info (IF Large truck is involved)
 Name of Carrier:   
 DOT or MCC #:   
 City & State of Carrier:     Hazmat Involved?:   
 
 Summary:  
    8/6/2026 AT 0549,3 VEHICLE 2 OCC FATALITY OCCURED ON HWY 10 NEAR HICORY
AVE SIOUX CO,UNIT 1 WAS WB ON HWY 10,UNIT 2 WAS EB ON HWY 10,UNIT 3 WAS
WB ON HWY 10,UNIT 1 ATTEMPTED TO PASS AN UNINVOLVED UNIT &STRUCK UNIT 2
HEAD ON IN EB LANES,THE REAR END OF UNIT 1 STRUCK THE DRIVER DOOR OF UNIT
3 PASSING BY,UNIT 1 BECAME FULLY ENGULFED IN FLAMES,UNITS 1&2 WERE
PRONOUNCED DECEASED ON SCENE,UNIT 3 WAS UNINJURED,DENSE FOG WAS PRESENT
 
 Officer Name:  TRP C ROOS 154  Post:  6
 Assisted By:  ISP, SIOUX CO SO, OR


Any questions about this report may be directed to the following address:
Iowa State Patrol District 6 Office
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