Lori Hacking Follow events in the disappearance of Lori Hacking, a 27-year-old Salt Lake City woman.

August 1999 Lori and Mark Hacking marry at the Mormon Bountiful LDS Temple in Salt Lake City, according to the Deseret News. The newspaper says the pair met while students at Orem High School.

1999-2002 University of Utah records show Mark Hacking was enrolled as a psychology student during this period, but never graduated.

1999 Mark Hacking takes a job as a technician at the University of Utah Neuropsychiatric Institute, where he works up until his wife's disappearance.

July 15, 2004 The couple learns Lori is five weeks pregnant, according to the Hacking family and friends. Mark Hacking's brother, Lance Hacking, says Lori showed the positive at-home pregnancy test to his sister, who lives in the same apartment complex.

July 16, 2004 Lori Hacking reportedly receives a disturbing phone call at her office at Wells Fargo Securities Services, where she works as a stockbroker's assistant. Co-workers say she went home early after the call, which left her stunned and sobbing.

July 18, 2004 Lori Hacking is last seen by friends. Also, a clerk at a convenience store near the Hackings' apartment claims the couple came in to the store between 6 and 9 p.m., according to news reports.

July 19, 2004 Mark Hacking calls police to report that Lori has not returned from an early morning jog. Records show the call was made at 10:49 a.m. In a report in the Salt Lake Tribune, the owners of a nearby furniture store claim Mark Hacking came in at about 9:45 a.m. and purchased a new mattress.

July 20, 2004 Mark Hacking is checked into a psychiatric ward by his family after being found wandering naked outside an area hotel. Meanwhile, volunteers search the city's Memory Grove Park and City Creek Canyon area, where her car was found.

July 21, 2004 Police label Lori Hacking's disappearance a criminal investigation. And Mark Hacking's family and in-laws say they are stunned to learn that he had not graduated from college or been accepted at a medical school, as he had claimed.

July 28, 2004 The families of Mark and Lori Hacking shut down their volunteer command post at a Mormon meeting house, after calling off an organized search of neighborhoods, industrial areas and nearby canyons.

Aug. 2, 2004 Police announce Mark Hacking has been arrested on suspicion of aggravated murder. "We believe that Mark Hacking is responsible for her [Lori's] disappearance and her death," Police Chief Rick Dinse tells reporters. No body is recovered and the search of a local landfill continues.

Aug. 9, 2004 A first-degree murder charge is filed against Mark Hacking. According to a probable cause statement, Hacking confessed to his brothers that he shot Lori in the head with a .22-caliber rifle, and put her body in a trash bin. A search of a local landfill has yet to recover her body.

Aug. 14, 2004 More than 600 people gather in Salt Lake City for a memorial service for Lori Hacking. Mourners include her parents and the parents of her husband, Mark. The service includes a display of Hacking's wedding dress, and a poster-sized photograph of her.

Oct. 1, 2004 After picking through trash for weeks, police find Lori Hacking's body in a landfill. "It means everything to us to find Lori's mortal remains so that we might lay them to rest with dignity," Hacking's parents, Eraldo and Thelma Soares, say in a statement.

April 15, 2005 Standing before a judge in Utah and facing a life sentence for murder, Mark Hacking admits to murdering his wife. "I intentionally shot Lori Hacking in the head with a .22 rifle on July 19," he says, pleading guilty to first-degree murder.

June 6, 2005 Mark Hacking is sentenced to six years to life in prison, the stiffest sentence allowed under state law. Because an autopsy of Lori's badly decomposed body could not confirm her pregnancy, prosecutors were unable to seek the death penalty.

Credits: CBS News, Associated Press, Deseret News