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Grant County Sheriff continues investigation into Potosi shooting, identifies those involved

  • Updated
Shooting Investigation

POTOSI (WKOW) — The Grant County Sheriff's Office is still investigating a shooting in Potosi on November 19, but has some updates to share with the community. 

Grant County Sheriff Nathan Dreckman identified the people involved as Megan Breuer, 37, and Aaron Osthoff, 47, of Dubuque, Iowa. Dreckman said the pair know each other, but the extent of their relationship is undetermined at this time. 

Dreckman said in a press release Osthoff came to Breuer's residence in the early morning hours of November 19 and "it appears Osthoff forcibly entered the residence." Dreckman said Osthoff shot Breuer in the neck/head, before turning the gun on himself. He was pronounced dead on scene. Breuer is in stable condition. 

The investigation is ongoing with assistance from the Wisconsin Crime Lab. 

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