The supposedly buttoned-up wife of a US missionary murdered in Africa was having an affair with one of the family’s security guards — and hired her much younger lover to help kill her hubby, local cops say.

Jackie Shroyer has been arrested by Angolan authorities in connection with the murder of Beau Shroyer A Minnesota missionary was killed in Angola and his wife has been arrested in connection with his death.

The wife of a murdered Minnesota pastor was reportedly having an affair with the couple’s security guard in Angola and offered him $50,000 to slay her spouse, according to local police.

In a Thursday article by the Angolan Press Agency, CIS alleges that Beau Shroyer’s wife, Jackie Shroyer, 44, was the “mastermind” behind the slaying, which allegedly occurred after Beau Shroyer, 44, was lured to a remote area by the suspects, who feigned engine failure, then fatally stabbed him while his wife was away from the scene.

The death of Beau Shroyer and the arrest of his wife, Jackie Shroyer, sent shock and disbelief through their church and mission communities.

The family of Beau Shroyer in Minnesota is waiting to learn more details about their loved ones reported murder and recent arrests, including his wife and two other men, according to a report by the Angola Press Agency.