Idaho Murders: The 13 Unanswered Questions a Month After Brutal Killings

The killings of four University of Idaho students have been making nationwide headlines and fueling online sleuths, as they search for a clue that could help solve the brutal murders.

Kaylee Goncalves, Madison Mogen, Xana Kernodle and Kernodle's boyfriend Ethan Chapin were found dead in an off-campus rental house in Moscow on November 13.

Autopsies determined that the four students were stabbed to death and were likely asleep when they were attacked, and that some had defensive wounds. There were no signs of sexual assault.

A month on, police have released relatively few details as they continue to investigate the horrific case that has left the tiny college town on edge.

Here, Newsweek rounds up some of the unanswered questions in the case.

Is There a Suspect?

The Moscow Police Department said there are no named suspects and no arrests have been made.

Police haven't provided details about whether they are honing in on a suspect or suspects, saying repeatedly that "only vetted information that does not hinder the investigation will be released to the public."

What About a Murder Weapon?

Police haven't yet found a weapon.

Autopsies determined the victims were likely attacked with a fixed-blade knife. Investigators checked with local businesses to determine if any had sold such knives recently.

Where Exactly Were the Victims Found?

Police have said that two victims were found on the second floor of the three-story home, and two others on the third floor.

But they have not confirmed the exact locations where the victims were found.

At a vigil for the slain students, Goncalves' father revealed that his daughter and Mogen were killed in the same bed on the third floor.

Were They Targeted?

Police have said they believe the murders were targeted, but haven't disclosed any more details about why they think that.

After a series of confusing and conflicting messages, the police department issued a statement that said: "We have not changed our belief that the murders were a targeted attack. However, investigators have not concluded if the target was the residence or its occupants."

Reports said Goncalves sustained injuries that were "significantly more brutal" than Mogen, and a former FBI profiler told Newsweek that it suggested she was the killer's target.

Have Police Determined a Motive?

Police haven't released a motive for the killings.

Did Kaylee Goncalves Have a Stalker?

Moscow Police said investigators are continuing to look into information about Goncalves having a stalker and have urged people to send in tips.

Last week, police said investigators had identified an incident involving Goncalves and two men at a local business that "may have been the stalker reference she made to friends and family."

"In mid-October, two males were seen inside a local business; they parted ways, and one male appeared to follow Kaylee inside the business and as she exited to walk toward her car. The male turned away, and it did not appear he made any contact with her," police said in a news release.

Detectives spoke with the two men and learned they were trying to "meet women." Police said detectives "believe this was an isolated incident and not an ongoing pattern of stalking. No evidence suggests the two males were involved in the murders."

Do Police Have the Killer's DNA?

Police haven't revealed much about the forensic evidence collected at the crime scene.

They have said the evidence "is currently being processed" and that test results "will be used by detectives to assist the investigation."

"As this is a criminal matter, much of the evidence will not be released to the public."

Experts have told Newsweek that processing the numerous DNA samples from a college house and looking for a potential suspect's genetic profile could be a difficult process and take time.

Do Police Have a Profile of the Killer?

The FBI has sent two investigators with the Behavior Analysis Unit to Moscow to aid detectives by working on a profile of the killer.

Police haven't released that profile. Idaho State Police spokesman Aaron Snell told Fox News Digital in November that it would only be used to "refine" the investigation.

Releasing it could "potentially put more fear, more suspicion on a wide variety of people," he said.

How Did Roommates Sleep Through the Attack?

Police have said two roommates who live in the house returned home by 1 a.m. on November 13.

They slept through the attack, police said, and didn't wake up until later that morning. Police have said the roommates aren't believed to be involved, but haven't provided further details.

Why Did It Take So Long for a 911 Call to Be Placed?

All four of the slain students returned to the home shortly before 2 a.m. and a 911 call was placed by someone inside the house at 11:58 a.m.

Police have released little information about what happened before that 911 call was made. They have said that the two surviving roommates summoned friends to come to the house because they believed one of the victims found on the second floor had passed out and wasn't waking up.

Who Made the 911 Call?

Police haven't released the 911 call or revealed who made it.

They said it was made one of the surviving roommates' cell phones from inside the house and that multiple people talked with the dispatcher before police arrived. Police said they don't believe anyone who was in the house when the 911 call was made was involved in the crime.

What Were Chapin and Kernodle Doing That Night?

Investigators have said that Goncalves and Mogen went to a local bar, stopped at a food truck and then got a ride home with a private party at around 1:56 a.m.

However, Chapin and Kernodle's timeline is murkier.

The couple were seen at the Sigma Chi house before they returned home at around 1:45 a.m. Police last week appealed for information about their whereabouts between about 9 p.m. on November 12 and 1:45 a.m. on November 13.

Who Was in the Hyundai Elantra?

Police have asked the public for help tracking down the person or people who were inside a car that was seen near the house in the early morning hours of November 13, saying they could have "critical information" about the case.

They haven't released details about the occupants, or what information they are hoping could be obtained.

Police said the vehicle is a white Hyundai Elantra made between 2011 and 2013.