The remains of missing 23-year-old Mackenzie Lueck of El Segundo have been found in the backyard of a Salt Lake City home whose owner was arrested Friday and charged with her murder. At a news conference Friday morning, Salt Lake City police confirmed 31-year-old Ayoola Ajayi, the owner of a suburban home which they first raided on Wednesday, has been charged with aggravated murder, aggravated kidnapping, desecration of a body and obstruction of justice in Lueck’s death. Lueck’s remains were found in a burn area in the backyard of the home, Salt Lake City Police Chief Mike Brown told reporters.