Developments in the disappearance of Lori Hacking, 27, of Salt Lake City, who was five weeks pregnant and reported missing by her husband after allegedly going for a morning jog on July 19:
Thursday, July 15
— Lori Hacking turns down a request from her mother to attend a performance of the Mormon Tabernacle Choir to attend a going-away party thrown by Hacking's co-workers at Wells Fargo Securities Services. She was quitting to move to North Carolina with her husband, Mark, so he could attend medical school.
Friday, July 16
— Co-workers say Lori Hacking received a disturbing phone call at work, cried and then went home. The co-workers later tell detectives that they believe the call came from the University of North Carolina medical school, informing her that her husband had not enrolled there.
Sunday, July 18
— Lori Hacking is seen in the evening by her husband's siblings, who later say she didn't appear to be upset.
— A convenience store clerk reports to seeing Mark and Lori Hacking in the store, near 900 East and 300 South, around 8:30 p.m. Sunday.
Monday, July 19
— A witness reports seeing someone who looked like Lori Hacking stretching at the entrance to Memory Grove park, between 5:50 and 6 a.m. The witness later says she never confirmed it was Lori Hacking and only saw the runner from behind.
— Lori Hacking fails to show up for work, and friends report that Mark Hacking called them about 10 a.m., saying she was missing.
— Mark Hacking's credit card is used to buy a mattress at 10:23 a.m.
— Thelma Soares, Lori Hacking's mother, says Mark Hacking reported the disappearance to her about 10:30 a.m.
— Mark Hacking calls police at 10:49 a.m. to report his wife missing.
— Mark Hacking helps rescuers search Memory Grove park and City Creek Canyon for his wife.
Tuesday, July 20
— Early Tuesday morning, Mark Hacking is taken to a hospital and placed under psychiatric care after he is found naked and running around a motel parking lot four blocks from his home.
— More than 1,200 volunteers search for Lori Hacking.
— Police interview Mark Hacking in his wife's disappearance as a matter of routine. "It's important that he be cleared of any suspicion from the beginning," says his father, Doug Hacking.
Wednesday, July 21
— Officials confirm Mark Hacking did not graduate from the University of Utah as he had claimed and had not applied for medical school in North Carolina, as he told friends and family.
— Police confirm they removed items from the couple's apartment near the University of Utah but don't say what was taken. Video of the search shows paper bags, boxes and a box spring being taken out. Authorities also impound a large trash bin, but police refuse to confirm reports they were looking at a mattress found inside the bin.
— Mark Hacking is interviewed again by police.
— As questions over Mark Hacking's credibility rise, the number of volunteer searchers drops to about 150.
Thursday, July 22
— Mark Hacking's father says his son lied about his academic career because he felt pressure to excel like his two older brothers.
— Confronted by his father, Mark Hacking denies he had anything to do with the disappearance of his wife.
Saturday, July 24
— Police confirm part of their search for Lori Hacking includes the use of cadaver dogs at the city landfill.
Sunday, July 25
— Deseret Morning News reports that police recovered a bloodied knife with hair attached as evidence from the Hackings' apartment.
— More than 3,000 people turn out to distribute fliers and join the search for Lori Hacking — the largest turnout since her disappearance.
— About 200 people attend a candlelight vigil at Memory Grove park.
Monday, July 26
— It's confirmed that Mark Hacking has hired Utah defense attorney D. Gilbert Athay.
— Lori Hacking's colleagues at Wells Fargo Securities Services say she left work in tears early Friday after receiving an upsetting phone call.
Tuesday, July 27
— Police and family clear out Mark and Lori Hacking's apartment and remove crime-scene tape.
— Community organizers call off volunteer search efforts. Family and friends prepare to move on to the "next phase" of searching, focusing on the efforts of professionals and their equipment.
— A Winnipeg, Manitoba, Canada, newspaper reports Hacking had been sent home early from a mission for The Church of Jesus Christ of Latter-day Saints.
Wednesday, July 28
— Court documents indicate prosecutors sought an "order of secrecy" from a 3rd District Court judge two days after the search began.
— Mark Hacking continues to be a "person of interest" in the missing person's case involving Lori Hacking.
— Police say there is a possibility Lori Hacking never went jogging and was never in Memory Grove.
— A convenience store clerk reports to having seen Mark and Lori Hacking in the store, near 900 East and 300 South, around 8:30 p.m. Sunday.
Thursday, July 29
— Investigators and cadaver dogs rest from searching the county landfill and report "nothing of consequence" has been found.
Friday, July 30
— Police confirm that a Dumpster was confiscated from behind a meetinghouse of The Church of Jesus Christ of Latter-day Saints at 951 E. 100 South, less than one block from the Hackings' residence.
— Police deny the circulating rumors that a body has been found.
Saturday, July 31
— The families of Mark and Lori Hacking receive information from Mark Hacking that causes them to discontinue any further searching.
Sunday, Aug. 1
— Police receive "additional substantive information" from a member of the Hacking family to be "followed up by investigators."
Monday, Aug. 2
— Police say evidence retrieved from the Hackings' apartment, the seized Dumpster and Lori's car have led them to the arrest of Mark Hacking.
— About 11 a.m., Mark Hacking is arrested on suspicion of aggravated murder in the disappearance of Lori Hacking.
— Police announce they will resume the search of the county landfill Wednesday, looking for the body of Lori Hacking.
— 11:46 a. m., Mark Hacking is booked into Salt Lake County Jail for investigation of aggravated murder.