Fourth suspect arrested in Malheur County homicide

CALDWELL, IDAHO - The fourth suspect in last week’s shooting death of a Malheur County man has been arrested.

Deputies took Matthew Jaggi, 22, of Parma into custody Saturday afternoon. He was found at a home on Vermont Street in the small town of Roswell, according to Canyon County spokesman Joe Decker.

Douglas Madrid, 54, was found shot at a home just north of Ontario, Oregon Wednesday night. He later died at a local hospital. Malheur County District Attorney David Goldthorpe said Madrid suffered a single gunshot wound to the head.

Authorities believe the killing was a result of a disagreement over money.

On Thursday, three people were arrested for the shooting.

Sean Prokop, 29; Sara Carter, 24; and Ryan Macias, 24 were all booked into the Malheur County Jail Thursday evening. All are from Ontario. 

They are charged with murder, conspiracy to commit murder, unlawful use of a weapon, and hindering prosecution, Goldthorpe said. The hindering prosecution charges originate from, in Goldthorpe’s words, “the escape and hiding techniques,” the three allegedly used to elude police. He declined to elaborate.

Prokop, Carter and Macias were arraigned Friday afternoon in the Malheur County Courthouse. Each are being held on a $650,000 bond.

Jaggi was booked into the Canyon County Jail Saturday.

In September of last year, Jaggi pleaded guilty to misdemeanor injury to a child, after police say he left his child in his truck while he drank at the Blue Eye club in Caldwell. Reports say the child was found “hot, sweaty, and covered in urine.” Jaggi was originally charged with felony injury to a child, but the charge was reduced to a misdemeanor as part of a plea agreement with prosecutors.

Jaggi was sentenced to 180 days in jail and two years supervised probation.
 

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