“Biological debris” has been found in a grisly location to help solve the “messy” murders of four Idaho students

THE murders of four University of Idaho students could be solved by the “biological debris” found under the victims’ nails, according to a police source.

Cops have no suspects or a weapon in the November 13 killings that took place in the victims’ apartment building and rocked the small university town of Moscow.

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But a source on the case has now told Radar Online “it is almost certain that biological debris will be found under the fingernails” if a “fight” were to take place.

“This will be crucial for forensic casework,” they added.

Authorities said on Sunday some of the victims had defensive wounds after being attacked while they were sleeping.

And the family of one victim, Xana Kernodle, has previously said injuries to her body indicate she lashed out to defend herself against her killer.

Her father, Jeffrey, told Arizona-based CBS5 that the 20-year-old’s autopsy showed “bruising, torn by the knife.”

Students Xana, Ethan Chapin, 20, Madison Mogen, 21, and Kaylee Goncalves, 21, were all found dead in the off-campus home after police said they had been stabbed multiple times.

Police said the victims were found on the second and third floors of the six-bedroom home, but declined on Sunday to say exactly which floor each victim was found on.

Since then, heartbreaking TikTok videos have surfaced showing the four University of Idaho students laughing together in the same house where they were killed.

The case has remained mysterious after it emerged that two other housemates were in the house the night of the murders but overslept the attack and woke up later in the day.

Police said one of their phones was used to call 911 from the home at 11:58 a.m

But officials on Sunday declined to say who made the 911 call.

Police were also forced to resign amid claims there was no danger to the public.

They later admitted they couldn’t say there wasn’t a threat.

But they have said evidence leads them to believe the students were assaulted, although they have not provided details and declined to do so again on Sunday.

Investigators say nothing appears to have been stolen from the victims or the home.

Police also said there were no signs of forced entry, and first responders found a door open when they arrived.

“We know people want answers — we want answers, too,” said Idaho State Police Colonel Kedrick Wills.

“Please be patient while we work through this investigation.”

Police said Chapin and Kernodle were at Sigma Chi’s home in the University of Idaho camps and returned home around 1:45 a.m. on November 13.

Mogen and Goncalves were at a bar called The Corner Club in downtown Moscow, exited the bar and stopped at a food truck, then returned home around 1:45 a.m., police officers added.

Mogen and Goncalves also made multiple calls to a man identified as Kaylee’s ex-boyfriend, Jack.

Fry said Sunday police believe the calls were unrelated to the murders.

Another person, wearing a hooded sweatshirt and seen in video at the food truck near Mogen and Goncalves just before returning home, is also not involved in the crime, police said.

In addition, police said a private driver who drove Mogen and Goncalves home was not involved in the crime.

A crime expert has already compared the University of Idaho murders to the infamous Gainesville Ripper.

Former coroner Joseph Scott Morgan suspects the event sparked a community-wide fear similar to that of Danny Rolling – the killer who inspired the Scream films.

“I remember back at the University of Florida parents were scared about it,” Morgan told The US Sun exclusively about the 1990 murders.

“And you see that kind of game here too.”

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