History: He had been convicted on domestic violence charges in the previous year. Police believe he fled to Mexico.

Children: two

Annalee Christensen, 23

Clinton

How: Shot three times by her ex-boyfriend, Trovon Donta Ross.

History: According to court testimony, Ross physically abused Christensen during their relationship and threatened to kill her family if she told anyone. Ross was convicted of capital murder.

Tamera Guliyan, 73

Salt Lake City

How: Strangled to death by her estranged husband, Nikolay Guliyan, who then hanged himself.

History: Police did not determine a motive.

Shelley Pack, 52

West Valley City

How: Shot by her husband, Robert Pack, inside their home; he then took his own life.

Gerald J. Richards Jr., 54

Salt Lake City

How: Shot with a rifle by his wife, Lilly Volhert Richards, in their home.

History: Police said they learned after the homicide that there was an ongoing domestic problem, but no incidents were ever reported to authorities. She got 2-15 years in prison after pleading guilty to second-degree manslaughter.

Children: four

2004 Victims

Michael V. Peacock, 52

Salt Lake County

How: Shot by his wife, Becky L. Peacock, following an argument in their home.

History: Becky Peacock said she suffered extreme emotional distress after catching her husband in a hot tub with another woman. The couple had a turbulent marriage. Sentenced to one year in jail after pleading guilty to second-degree manslaughter.

Kari Lynn San Miguel, 20

West Jordan

How: Shot by her boyfriend, Jose Luis Topete, in the couple's apartment. Children ages 3 and 4 floor slept in the other room.

History: Topete has an extensive criminal history, police said. Charged with manslaughter and other charges.

Children: two