I gathered tidbits of information with quotes from articles:
(note: quoting a member about the dogs being in the basement -I can't look at the article to substantiate)
The dogs were in the basement, where they were kept when nobody was home.
Mollie Tibbetts searchers get Fitbit information
Family members told KCCI on Saturday that evidence shows she was doing homework on her computer late in the evening on July 18. Authorities declined to release a specific time, saying it could hinder the investigation.
New details provide insight into night Mollie Tibbetts was last seen
“Mollie Tibbetts, 20, a student at the University of Iowa,
was last seen July 18 at around 7:30 p.m. while running the city streets of Brooklyn, Iowa, according to the Iowa Department of Public Safety's Division of Criminal Investigation in a Friday press release.
At the time, she was wearing dark-colored running shorts, a pink "sports top" and running shoes of an unknown color, according to DCI.”
Investigators use digital info in search for Iowa student
The latest update from authorities was that they are not ruling out abduction and that Tibbetts' boyfriend is not a suspect, and neither are her brothers or the boyfriend's brother.
Missing college student Mollie Tibbetts: A timeline
5:30 p.m.: Tibbetts' older brother, Jake, dropped Mollie off at her boyfriend's house, where she was still staying alone with the dogs. Investigators said Jake Tibbetts is not a suspect.
7:30 p.m. According to a "reasonable timeline" constructed by authorities, Tibbetts went for a jog around this time and was seen running on the city streets of Brooklyn.
Rumor mill spreads more harm than good in Mollie Tibbetts' case
Last night, the FBI returned with dogs to an area of Deep River after receiving a tip.
However, there's still no sign of Mollie.
Kriegel told ABC News that Jack's alibi was confirmed and he is not a suspect, and neither is his brother. Tibbetts' two brothers have also been cleared and are not suspects.
Missing college student Mollie Tibbetts: A timeline
Because
“Mollie was a creature of habit” and used the same three routes for her run, Mortvedt says the volunteer search for evidence into her disappearance — which has been fruitless so far — has been called off.
As Student's Mysterious Disappearance Drags On, It Looks More and More Like Foul Play
As Calderwood talked with an FBI agent on the front porch,
brother Jake said Mollie always ran in the evening and wore a FitBit and a cell phone holder on her arm, the music playing in wireless headphones.
'She hated to be sad and hated others to be sad': Brotherly love for missing sister
She said Mollie was blossoming in Iowa City, just as she had in high school, where she was involved in theater and three times won state speech competitions.
'She hated to be sad and hated others to be sad': Brotherly love for missing sister
I last spoke with her at 7:30 p.m. Wednesday night about what was for dinner. I told her brats. She said, ‘ok,'” her mother, Laura Calderwood, told KWWL-TV.
Mollie Tibbetts Missing: 5 Fast Facts You Need to Know | Heavy.com
Speculation that Mollie could not have been abducted by a stranger is misguided, Mortvedt tells PEOPLE.
[…]
“One avenue of thought is that if it wasn’t a struggle, and
we have found no signs of a struggle, then maybe it was someone she was familiar with,” Mortvedt explains. “But then the other avenue of thought is it could have been a stranger who simply overpowered her or tricked her. We just have very little to go on.”
Boyfriend Ruled Out as Suspect in Iowa Student's Disappearance — as Police Search Pig Farm