MOSCOW, Idaho — Within the early morning hours when 4 college students died in a brutal stabbing close to the College of Idaho, a number of unanswered cellphone calls had been constructed from one of many sufferer’s telephones to her longtime boyfriend, deepening the thriller of their deaths practically every week after the killings.

The coroner who carried out autopsies on the 4 associates stated a few of the victims appeared to have fought again and that they could have been attacked whereas sleeping of their beds.

The vicious stabbings within the school city of Moscow, Idaho, have unnerved college students and residents as native officers have issued generally contradictory statements and have but to determine any suspects or motives.

The few particulars that they’ve disclosed have raised extra questions as detectives, web sleuths and the victims’ personal family members attempt to piece collectively who might need had a motive to kill the 4 younger individuals following a Saturday night time of school revelry.

Three of the victims — Madison Mogen, 21; Kaylee Goncalves, 21; and Xana Kernodle, 20 — lived on the home not removed from campus the place the assault occurred, whereas the fourth sufferer, 20-year-old Ethan Chapin, was there visiting his girlfriend, Ms. Kernodle. Listed here are different key details.

Two roommates survived the assault.

The police stated that whereas the 4 associates had been being killed, two different roommates had been in the home however weren’t attacked. Each had been girls.

Investigators stated they didn’t imagine both of them was concerned within the crime. However nobody referred to as 911 till simply earlier than midday on Sunday — many hours after the assault, which the authorities have stated happened within the early morning hours. The likelihood that hours handed between the crime and when somebody referred to as 911 means that the roommates might need slept via the assault, although the police haven’t defined the delay.

Cathy Mabbutt, the Latah County coroner, stated the victims all appeared to have been stabbed a number of occasions with a big knife. Primarily based on the time of night time, she stated, they had been possible sleeping once they had been attacked. Ms. Mabbutt stated she believed no less than one sufferer, and presumably extra, had tried to combat off the attacker.

“It’s such a horrific crime,” she stated. “It’s onerous to suppose that someone, whether or not they reside right here or they had been right here, commits one thing like that and is at massive.”

Not one of the victims confirmed indicators of sexual assault, Ms. Mabbutt stated, and toxicology stories haven’t been accomplished.

The cellphone information of 1 sufferer confirmed calls to a boyfriend earlier than she was killed.

There have been seven unanswered cellphone calls constructed from the cellphone of one of many victims, Ms. Goncalves, to her longtime boyfriend within the early morning hours on Sunday, in line with her older sister, Alivea Goncalves, based mostly on cellphone logs she was capable of obtain from the cellphone supplier.

The primary name to the person, Jack DuCoeur, was at 2:26 a.m., and there have been six extra over the subsequent 26 minutes, with the ultimate one at 2:52, Ms. Goncalves stated. She stated Mr. DuCoeur, additionally a scholar on the college, missed them as a result of he was sleeping, and that her sister’s cellphone account didn’t present every other calls.

Ms. Goncalves stated Mr. DuCoeur had been a childhood buddy of her sister’s and that they’d been relationship for years till not too long ago, once they determined to take an amicable break. Ms. Goncalves stated she and her household “stand behind Jack one hundred pc and know he completely had nothing to do with this in any respect.”

She additionally stated that the variety of calls was commonplace: Kaylee Goncalves would ceaselessly name individuals till they picked up, even to ask a secular query like what she ought to have for breakfast, her sister stated.

Invoice Thompson, the highest prosecutor in Latah County, stated investigators had been taking a look at cellphone tower knowledge and social media data to attempt to decide who was within the rapid space on the time of the killings.

The victims had spent the night time socializing.

It had been a typical Saturday night time in Moscow, with many college students from campus going out to socialize after watching a College of Idaho soccer recreation.

Mr. Chapin and Ms. Kernodle, who had been relationship for the reason that spring semester, attended a celebration on the Sigma Chi fraternity from about 8 p.m. to 9 p.m. close to the house the place the assault later occurred, the authorities stated.

Ms. Mogen and Ms. Goncalves had gone collectively to the Nook Membership bar at about 11 p.m., staying there till 1:30 a.m.

A livestream video from a preferred late-night meals truck confirmed Ms. Mogen and Ms. Goncalves on the truck at about 1:40 a.m. The 2 mingled within the space, chatting and smiling earlier than getting their meals and departing. A “non-public social gathering” gave them a trip residence, the police stated.

The authorities stated all 4 associates had been again on the rental residence south of campus by round 1:45 a.m.

Nobody has been arrested.

There have been no arrests, although the police seem to have dominated a number of individuals out.

This features a man seen within the video footage on the meals truck, investigators stated, in addition to the 2 roommates who had been residence in the course of the assault.

The authorities have left open the chance that there may very well be a couple of perpetrator.

Investigators have been contacting native companies to see if somebody had not too long ago bought a fixed-blade knife from them.

The authorities have walked again earlier statements.

Within the first days after the killings, the Moscow Police Division downplayed residents’ fears a few killer being on the unfastened, saying on the day of the assault that the division “doesn’t imagine there may be an ongoing group danger” and, two days later, that there was “no imminent risk to the group at massive.”

Then, on Wednesday — three days after the killings — Chief James Fry stepped again from the sooner assurances. “We can not say that there is no such thing as a risk to the group,” he stated at a information convention.

The about-face was considered one of a number of contradictory feedback from metropolis and county officers.

Artwork Bettge, the mayor of Moscow, had advised The New York Instances a day after the killings that the case was thought-about a “crime of ardour,” however he later stated he couldn’t say for certain.

One constant message from the police is that the assault appeared to have been focused.

Moscow had not recorded a homicide in seven years.

Moscow is a group of about 25,000 individuals on the Washington State border, and the college has 11,000 college students.

The town had not recorded a homicide in additional than seven years. College students stated in interviews that they usually felt secure strolling round city late at night time or leaving bikes unlocked round campus. However after the killing, many college students left campus early for Thanksgiving break, frightened about an obvious killer on the unfastened.

Some college students who remained have began taking extra precautions and strolling round in teams. A espresso store advised patrons it was closing early in order that staff might get residence earlier than darkish.

Right here’s what we all know in regards to the victims.

Madison Mogen, who glided by Maddie, was a senior from Coeur d’Alene who was majoring in advertising and marketing. Her grandmother, Kim Cheeley, stated Ms. Mogen had at all times been a delicate and caring one that stored many long-term friendships and shut ties with an prolonged household.

Ms. Mogen’s boyfriend, Jake Schriger, stated she had been excited for commencement subsequent 12 months and talked about desirous to discover different components of the world. Ms. Mogen at all times unfold positivity and introduced acts of kindness to others, Mr. Schriger stated, including that he hoped individuals remembered her for the love she had given to others.

“There’s no phrases that I can actually describe her — how superb she was and the way fantastic of an individual she was,” Mr. Schriger stated.

Kaylee Goncalves, who was from Rathdrum, Idaho, had been set to graduate early in December and deliberate to maneuver to Austin, Texas, with considered one of her shut associates in June. The buddy, Jordyn Quesnell, stated Ms. Goncalves had secured a place with a advertising and marketing agency and was excited to discover extra of the nation.

“We wished that journey,” Ms. Quesnell stated. “I might be like, ‘Let’s go do that,’ and he or she’d be like, ‘Down!’”

Alivea Goncalves stated her youthful sister and Ms. Mogen had served as bridesmaids for her marriage ceremony. Her sister, she stated, nonetheless shared a canine along with her former boyfriend, and the 2 had appeared prone to get again collectively.

Ethan Chapin, from Conway, Wash., was considered one of three triplets and had spent a lot of Nov. 12, the day earlier than the killings, with each of his siblings, who’re additionally College of Idaho college students, stated their mom, Stacy Chapin. Within the night, they’d all attended a dance collectively held by his sister’s sorority, she stated.

“My youngsters are very grateful that it was time properly spent with him,” Ms. Chapin stated. “He was actually the lifetime of the social gathering. He made everyone snicker. He was simply the kindest particular person.”

Mr. Chapin performed basketball in highschool and was identified by family and friends members for at all times having a giant smile, ever since he was a child. Ms. Chapin described her son as “simply the brightest mild.”

Xana Kernodle grew up in Idaho however had hung out in Arizona in recent times, in line with an interview that her father, Jeffrey Kernodle, gave to an Arizona TV station.

Mr. Kernodle advised the station that his daughter was strong-willed and had loved having an unbiased life in school.

He stated his daughter had appeared to attempt to combat her attacker, an account backed up by Ms. Mabbutt, the coroner. Mr. Kernodle expressed shock that she may very well be killed whereas being with associates at residence, and stated he, too, had no thought who might have dedicated the assaults.

“She was along with her associates on a regular basis,” Mr. Kernodle stated.

Serge F. Kovaleski contributed reporting. Susan C. Beachy and Sheelagh McNeill contributed analysis.