WAUKESHA, Wis. — A Waukesha jury has convicted Matthew Pahl of murdering his longtime girlfriend Stephanie Pavlons in 2022, in a case built entirely on circumstantial evidence with no known cause of death.

The complicated murder case was handed to jurors after eight days of testimony. Prosecutors must prove Pahl killed Pavlons despite investigators being unable to determine how she died due to the severely decomposed state of her body when found in the woods in the Town of Delafield nearly a month after her death.

Waukesha man found guilty of girlfriend's 2022 murder

"Just because she wasn't able to determine a medical cause of death doesn't mean you can't reach a conclusion that the defendant caused Stephanie Pavlons' death," prosecutor Kristi Gordon said.

Surveillance video became a

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