Grand jury will be asked for 1st-degree murder indictment

By John Weiss

WINONA — A grand jury has been convened to hear a prosecutor’s evidence to indict a Winona man with premeditated first-degree murder in connection with a 1985 killing, Winona County Attorney Charles MacLean said at a court hearing for the suspect, Jack Willis Nissalke.

Meanwhile, Nissalke, 42, made an initial court appearance this morning in Winona District Court. He was charged in a complaint with two counts of aiding and abetting first-degree murder in the stabbing death of Ada Senenfelder and two counts of aiding and abetting second-degree murder.

However, the grand jury’s indictment is necessary in order to prosecute on the first-degree murder charges. MacLean told a judge he expects the jury, which was convened on June 9, to submit results within the next several days.


No indictment is needed in order to prosecute on the second-degree murder charges.

Nissalke’s attorney, Daniel Koewler, requested a hearing to contest prosecutors’ evidence in the case and asked for a speedy trial.

The complaint alleges Nissalke was part of a group that tried to get Senenfelder to recant her testimony against another member of the group, who was being held in jail on a parole violation. She didn’t recant and was later found stabbed to death.

The complaint alleges that Nissalke was gone from a party around the time of the woman’s death and that he had details that were not released by police.

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