TOWN OF MENASHA, Wis. (WFRV) – New details have been released on a deadly shooting that took place at a park in Menasha.

The shooter in the incident has been identified as 27-year-old Sergio Daniel Valencia Del Toro. Menasha Police Chief Tim Styka says Valencia Del Toro was upset over issues with his girlfriend. Police say he got into an argument her, then armed himself with two guns, and travelled to the Trestle Trail bridge in Fritse Park where he shot four victims, then himself. The shooting was unprovoked. Police say there is no connection between the victims and the shooter.

Police say Valencia Del Toro was a student at UW-Oshkosh, a former member of the U.S. Air Force, had recently re-enlisted in the Army, and had recently begun training with the Menasha Police Auxilary.

The victims in the shooting have also been identified.

33-year-old Johnathan Stoffel and his 11-year-old daughter Olivia were both killed in the shooting. Another man, Adam Bentdahl was also killed. His relationship with the Stoffel family is not known at this time.

Police say Erin Stoffel, Johnathan Stoffel’s wife was also shot and injured. She was taken to a local hospital where she is being treated for her injuries, she is in critical condition. Police say she helped save two other children, a boy and a girl, even as she was wounded.

Menasha Police say multiple agencies are investigating. Count on Local 5 News to update this story as more information becomes available.
TOWN OF MENASHA, Wis. (WFRV) – UPDATED:  Police tell WFRV that a total of five people were shot on the Trestle Trail bridge in Fritse Park in Menasha around 7:30 Sunday evening.

As of 10:20PM Sunday, four of those victims have died. The one remaining victim remains hospitalized. 

Police tell us they believe the shooter is one of the dead.

Police will be working through the night trying to put together the events that led to this incident.

Shortly after the reports of gunfire, the Town of Menasha Police advised people to stay clear of Fritse Park and the bridge on both sides.  Along with the Town of Menasha Police, City of Menasha Police, Neenah, Appleton and other area agencies assisted in controlling the scene and locating the suspected shooter, as polcei were not sure if they had an active shooter or not.   Police also launched several boats so they could observe activity on and in the area of the bridge.