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Watch “48 Hours: The Idaho Student Murders” — correspondent Peter Van Sant reports on Saturday, Jan. 7 at 10/9c on CBS and streaming on Paramount+.

Four University of Idaho students are discovered stabbed to death on Nov. 13, 2022. What led officials to an arrest in the case? See key dates in the investigation.

Police responded to a report of an unconscious person that they received around 11:58 a.m. on Sunday, Nov. 13. There, members of the Moscow Police Department found four University of Idaho students dead on the second and third floors of the home. Kaylee Goncalves,  Madison Mogen, and Xana Kernodle were roommates who lived in the home while the fourth victim, Ethan Chapin, did not live there but was dating Kernodle. Two other roommates lived in the home, but were not attacked and police said they believe they slept through the killings

Ted S. Warren/AP

Nov. 13, 2022: Off-campus murders   

Four University of Idaho students are found dead in the off-campus home where three of the victims lived in Moscow, Idaho. They had been brutally stabbed to death. The victims are identified as Ethan Chapin, 20, of Conway, Washington; Madison Mogen, 21, of Coeu d’Alene, Idaho; Xana Kernodle, 20, of Avondale, Arizona, and Kaylee Goncalves, 21, of Rathdrum, Idaho.   

The off-campus residence where the four students were found dead on Nov. 13.  Xana Kernodle, Madison Mogen and Kaylee Goncalves shared the residence with two other roommates, who were unharmed.

AP Images

Nov. 15, 2022: The murder weapon

The Moscow Police Department issues a statement saying an “edged weapon such as a knife” was used in the killings. No murder weapon has been found. 

On Nov. 16, three days after the murders, the Moscow police held their first press conference. Police chief James Fry says the killing of the four University of Idaho students was a targeted attack.

Moscow Police Department YouTube

Nov. 16, 2022: Police press conference     

The Moscow Police Department holds a press conference about the murders. Police Chief James Fry says it was a targeted attack. “We do not have a suspect at this time and that individual is still out there.”

Nov. 17, 2022: Cause of death

The Latah County Coroner’s Office reports the victims were likely asleep when they were stabbed with a large knife. Some even had defensive wounds.

Nov. 18, 2022: Tracing the victims’ final steps

Moscow Police Department

Police release an aerial map showing the times and locations where the victims were on the night of Nov. 12, 2022 and in the early hours of Nov. 13, 2022. Kaylee Goncalves and Madison Mogen  were at the Corner Club between 10 p.m. and 1:30 a.m., and then headed over to a food truck at 1:40 a.m. Ethan Chapin and Xana Kernodle,  attended a Sigma Chi party between 8 to 9 p.m. and were home at 1:45 a.m.

Nov. 19, 2022: The hunt for a suspect    

Investigators say they do not believe the driver who brought two of the victims’ — Kaylee Goncalves and Madison Mogen — home on the night of the murders is involved in the crime.

Nov. 20, 2022: Others cleared

Detectives say they do not believe the surviving roommates or friends visiting the house at the time of the murders are involved    

Investigators have pursued “hundreds of pieces of information” about the possibility of Kaylee Goncalves having a stalker but haven’t been able to “verify or identify” a potential person of interest, the Moscow Police Department said in a news release.

Instagram/Kaylee Goncalves

Nov. 22, 2022: Possible stalker?

Investigators looked extensively at information received about one of the victims, Kaylee Goncalves, having a stalker. They have not been able to verify or identify a stalker. 

Nov. 25, 2022: Physical evidence

To this date, investigators collected 113 pieces of physical evidence and sent it to the Idaho State Police crime lab. Idaho Governor Brad Little has directed up to $1 million in funds for the ongoing investigation. 

Nov. 30, 2022:  Vigil for the students    

The University of Idaho holds a vigil in honor of the murdered students. “The most important message that we have for you and your families is to spend as much time as possible with those people,” Stacy Chapin, the mother of victim Ethan Chapin, tells those who gathered.

Dec. 7, 2022: A potential clue

Police announce they are interested in speaking with the driver of a white 2011-2013 Hyundai Elantra spotted near the crime scene at the time of the murders.

Police released new body cam video of Bryan Kohberger and his father being pulled over twice in Indiana on a December road trip home to Pennsylvania. The video was taken more than two weeks before Kohberger’s arrest at his family’s home.

Indiana State Police

Dec. 15, 2022: Traffic stop

A trooper’s body cam captures a white Hyundai Elantra being stopped twice in Indiana for driving violations. The driver is 28-year-old Bryan Kohberger, who is accompanied by his father. They were driving home from Washington State University for winter break to the family’s home in Pennsylvania.

Dec. 18, 2022: Footage released

Surveillance footage emerges of victims Kaylee Goncalves and Madison Mogen hours before the killings walking through downtown discussing a man named Adam.

Dec. 20, 2022: The search for vehicle of interest

Investigators speak to an owner of a Hyundai Elantra located in Eugene, Oregon. The vehicle was involved in a collision and was impounded. The owner is believed to not have any connection to Moscow, Idaho.

Dec. 26-29, 2022: Reports of FBI involvement

It is reported that an FBI team surveils Adam, the man who two of the victims discussed the night they were murdered, for a few days.

On Friday, Dec. 30, 2022, Bryan Kohberger, 28, was being held for extradition in a criminal homicide investigation in the killings of four University of Idaho students.


Dec. 30, 2022: An arrest

Police announce Bryan Kohberger’s arrest in Albrightsville, Pa., for the murders of the University of Idaho students  He is being charged with burglary and four counts of first-degree murder. Kohberger was a Ph.D. student at Washington State University, which is located roughly 8 miles from the murder scene in Moscow, Idaho. Law enforcement say they were able to use forensic analysis to connect Kohberger to the crime scene.

Bryan Kohberger, who is accused of killing four University of Idaho students, is escorted to an extradition hearing at the Monroe County Courthouse in Stroudsburg, Pa., on Tuesday, Jan. 3, 2023.

AP Photos

Jan. 3, 2022: Extradition hearing

At a hearing in Pennsylvania, Kohberger waives his extradition to Moscow, Idaho. 

Jan. 4, 2022: Suspect arrives in Idaho

Bruan Kohberger is brought to Idaho.The judge issues a gag order, which prohibits officials and others involved in the case from speaking about it. 

Jan. 5, 2022: Court documents released

Public officials release an affidavit in the case against Bryan Kohberger. Among the findings:

  • A witness claims she saw a figure of “5’10 or taller, male, not very muscular” dressed in black clothing and a mask on the night of the murders. She said the masked figure walked toward the black sliding glass door and she locked herself in her room.
  • The DNA found on the button snap of a leather knife sheath at the crime scene appears to be a strong match with the DNA found in the trash at the Kohberger family residence in Albrightsville, Pa.
  • Investigators believe the homicides occurred between 4 a.m. and 4:25 a.m.
  • Kohberger applied for an internship with the Pullman Police Department and in his application essay he said he had an interest in assisting in rural law enforcement agencies with hose to better collect and analyze technological data.
  • Investigators checked the movements of Kohberger’s phone and it stops reporting a signal at 2:47 a.m. and appears to turn back on at 4:48 a.m. This means the phone may have been in area without cell coverage or the phone was turned off.