HOUGHTON — A Wisconsin man has been declared competent to stand trial for the December murder of a Hancock Township man.

Jacob Kempainen, 21, of Hartland, is accused of fatally shooting his grandfather, Alvin Kempainen. The 86-year-old was found dead of a gunshot wound on Dec. 19.

He and his mother, Margaret Kempainen, were later arrested in Iowa.

Both are charged with homicide – open murder and conspiracy to commit open murder and potentially face life sentences.

He faces an additional felony firearms charge. His mother identified him as the shooter, according to police reports.

Jacob and Margaret were both referred for forensic evaluation in December.

His probable cause hearing was set for April 22, while Margaret has a preliminary examination scheduled for the same day.