Using extensive training, equipment and manpower, the DNR worked with multiple partners to determine that what actually happened was different than what was initially reported. / Photo Credit: Wisconsin DNR
Using extensive training, equipment and manpower, the DNR worked with multiple partners to determine that what actually happened was different than what was initially reported. / Photo Credit: Wisconsin DNR
On Aug. 17, 2019, two boats collided near French Slough and the Black River on Pool 8 of the Mississippi River near La Crosse.
The initial report indicated that a jon boat, operated by the victim, 41-year-old Scott Halvorson, cut in front of a bass boat operated by Keith Matush, of Dane, Wisconsin, and failed to yield the right-of-way where there was a blind corner. Halvorson was knocked unconscious as a result of the collision but was walking and talking when the deputies arrived at a nearby boat landing where authorities interviewed both operators.
Halvorson initially denied medical attention and planned to go to the hospital himself. He was later diagnosed with several internal head injuries from the collision, which proved to be fatal. Halvorson was pronounced dead the following day.
Following a reconstruction of the crash, authorities now believe that the initial report is not what really happened.
Using sonar, the team was able to locate the motor cowling from the jon boat's outboard. They were also able to use 3D scanning technology out of the water to find more evidence of the crash to confirm what occurred.
“Reconstruction was so important,” said DNR Conservation Warden Matt Groppi. “We found the bass boat was overtaking the jon boat and it was the bass boat that should have yielded.”
Keith Matush, the operator of the bass boat, was charged with negligent operation and was convicted in a plea agreement in November 2022.
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