The condition of Buffalo Bills safety Damar Hamlin Tuesday weighed heavily on his teammates, coaches and family – and on Pittsburgh Steelers head coach Mike Tomlin.

Tomlin spoke to reporters and said he’s known Hamlin since the defensive back was coming up in the youth football ranks. Hamlin grew up in McKees Rocks, Pennsylvania, located just outside Pittsburgh. He attended Pittsburgh Central Catholic High School and went to the University of Pittsburgh.

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"I’ll say this about Damar Hamlin – it’s a really personal thing to me, being a Pittsburgher and that young man being a Pittsburgher, I’ve known that guy probably since he was about 12," Tomlin said. "I’ve just got a lot of respect and love for him as a human being, his commitment to the pursuit of his goals and dreams of doing what he is right now, which is playing in the NFL. To watch him make personal decisions, and make that a realization, it’s just an honor to get to know young people like that.

"I’ve had an opportunity to express that to him whenever I see him. We’ve played Buffalo each of the last two seasons and he and I had a moment because it’s just cool to not only appreciate these guys in terms of where they are now but to know them since they were younger people and to watch their maturation, their development, to watch them earn what they’ve been chasing, it’s really a cool thing, and he’s an example of that.

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"I’ve got a lot of love for that young man. I’ve lifted him and that organization up in prayer. I’ve reached out to Sean McDermott to lend whatever assistance I could. But I don’t have a lot to add other than that. I just respect the fact that you guys appreciate how personal it is for me, not only for me, but for all of us."

The Bills offered an update on Hamlin’s status after he suffered cardiac arrest while trying to tackle Cincinnati Bengals wide receiver Tee Higgins. He was rushed to the hospital after needing his heartbeat to be restored on the field.

"Damar Hamlin spent last night in the intensive care unit and remains there today in critical condition at the University of Cincinnati Medical Center," the organization said.

"We are grateful and thankful for the outpouring of support we have received thus far."

EXCLUSIVE - MOSCOW, Idaho – Investigators hired by Bryan Kohberger's defense team arrived Tuesday at the home where he's accused of fatally stabbing four University of Idaho students, Fox News Digital has learned.

Three men and two women arrived at the King Road house at about noon Eastern time and spent 45 minutes taking video inside and outside the property.

Kaylee Goncalves, Ethan Chapin, Xana Kernodle and Madison Mogen were knifed to death in the early morning hours of Nov. 13 on the second and third floors of the home.

Four of the investigators left after touring the home Tuesday, while a crime scene reconstruction analyst remained.

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An Idaho State Police trooper accompanied the group. The Idaho lawyer who is representing the accused mass murderer hasn't been publicly identified.

"The fact that Bryan Kohberger's attorney has brought in private investigators to go throughout this crime scene leads me to believe that he is definitely going to mount a strong defense," said Fox News contributor Ted Williams, a former homicide detective and attorney. 

A cleaning crew arrived at the murder scene last Friday to clear the home of biohazards and harmful substances in preparation for turning the property back over to the owner. 

But at a press conference later Friday announcing the arrest of Kohberger, Moscow Police Chief James Fry said that remediation efforts at the home were halted after receiving a "legal request from the court."

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Kohberger was arrested Friday at about 1:30 a.m. Eastern time about 2,500 miles from the crime scene at his parents' home in Albrightsville, Pennsylvania.

The Washington State University Ph.D. student and teaching assistant in the criminal justice and criminology program wrapped up the semester before driving home with his father for the holidays.

He was due in Monroe County Court in Stroudsburg for an extradition hearing Tuesday afternoon.

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Jason Labar, a public defender who is representing Kohberg only in the extradition matter, said his client plans to voluntarily return to Idaho, where's he's charged with four counts of first-degree murder and one count of felony burglary.

Kohberger believes he will be exonerated and his parents believe their son isn't behind the horrific slayings, LaBar told NBC News.

The slain college students were ambushed in their sleep and each stabbed multiple times, according to police.

IDAHO MURDERS: SUSPECT BRYAN CHRISTOPHER KOHBERGER ARRESTED IN KILLINGS OF 4 UNIVERSITY STUDENTS

Officials have not publicly disclosed a motive for the gruesome rampage or recovered the fixed-blade knife they believe was used in the attack.

Once Kohberger returns to Idaho, the probable cause affidavit outlining his alleged crimes will be unsealed, Latah County Prosecutor Bill Thompson said last week.

The court document could offer more insight into Kohberger's possible motive and connection to the victims.

Nearly seven weeks after the murders, Kohberger was finally caught after authorities matched DNA he allegedly left at the crime scene to an immediate family member who had submitted their DNA to a genealogy testing website, a law enforcement source told Fox News.

 Haley Chi-Sing, Michael Ruiz and Stephanie Pagones contributed to this report.