History: Wayman and Corum had apparently had a loud argument the day before. Wayman previously served time in prison for domestic abuse. He is charged with first-degree murder.

John Matthew Ruiz, 44

Brigham City

How: Police say he was shot once in the chest by his wife, Vickie Marie Ruiz, after she caught him with another woman. She was arrested for investigation of homicide.

Larry Van Camp, 57

Tooele

How: Shot by his wife, Michelle Carter, outside his house while working on his semitrailer. She then turned the gun on herself.

History: Van Camp and Carter had a daylong argument over a part for a broken truck air conditioner. Local law enforcement was not aware of prior domestic disputes. Three children were watching TV in an RV 20 yards away. A 14-year-old boy found the bodies.

Children: three

Martin James Sessions, 49

Delta

How: Shot multiple times in his home, allegedly by his wife, Carole Elizabeth Alden. She told police Sessions was drunk that day and had threatened her, punched the wall, threw things and tore apart a bedroom and bathroom. She is charged with first-degree murder.

History: Alden had called police several times in the past to report domestic violence. Martin pleaded guilty to domestic violence assault on one occasion.

Tina Rene Evans, 42

Stansbury Park

How: Stabbed in bed, allegedly by her live-in boyfriend, Johnny D. Bevan, who unsuccessfully attempted suicide.

History: Bevan told authorities the couple had been fighting and he was upset that Evans planned to leave him. He is charged with first-degree murder.

Children: two sons, ages 17 and 8, and a 15-year-old daughter

Maria Rivas, 32

St. George

How: Stabbed to death in her home, allegedly by her estranged husband, Jaime Antonio Lopez Sr.

History: Lopez had a jealous temper and believed his wife was cheating on him, according to police. He is charged with aggravated murder.

Children: at least one

Jamie L. Vance, 21

West Jordan

How: Shot in her home by her former boyfriend, Anoulack Bphanphonsavat, who then turned the shotgun on himself.