Authorities in Nebraska respond to a shooting reported outside a convenience store after a dog owner goes inside to shop. Initial reports to police describe the incident as involving a BB gun, but responding officers later determine that a shotgun was involved. Police arrive at the scene and assess the circumstances as they investigate how the weapon discharged while the owner was inside the store. The accounts indicate the owner was not present at the moment of the firing and that the shooting is linked to the dog. Investigators work to establish what access the animal had to the firearm and how it was handled or left unattended prior to the discharge. Police continue the investigation to determine the exact sequence of events and whether any charges or additional actions are warranted. The reports also describe the incident as accidental, based on the information available to police at the time of their response. Details about injuries, the victim’s condition, and any subsequent legal proceedings are not included in the provided summaries.