Ex-wife of suspect arrested for murder of Mackenzie Lueck says he once threatened to ‘have someone come kidnap’ and ‘kill’ her

The ex-wife of a man arrested in the murder of University of Utah student Mackenzie Lueck said she has not been in contact with the alleged killer because she’s long been afraid of him.

Tenisha Ajayi, who currently lives in Dallas, Tex., first met Ayoola Ajayi through a family friend. In an interview...