A rifle was found nearby and there was a suicide note in the apartment.
According to Q13, police were called to Hilinski's apartment after he didn't show up for practice that day.
'We are deeply saddened to hear the news of Tyler's passing, ' Washington State coach Mike Leach said in a statement. He was an incredible young man & everyone who had the privilege of knowing him was better for it. He posted, "Trudi and I are holding Tyler Hilinski's family, friends and the WSU community in our hearts today".
"Please keep my family in your prayers tonight", the younger Hilinski tweeted late Tuesday evening.
Added interim athletic director John Johnson: "Tyler was a tremendous individual, great friend and teammate, and he will be deeply missed".
In reaction to the news, which directly impacted his own family with his son John being a Cougars teammate of Hilinski, the Super Bowl champ sent out a heartfelt message about suicide prevention. "There, they were met by campus and department counseling and psychological services, including athletics" on-staff clinical psychologist and a licensed mental health counselor, along with WSU Athletics medical team.
Tyler Hilinski is the third-year sophomore, started the Cougars' Holiday Bowl loss to Michigan State in 2017.
Hilinski was WSU's backup quarterback in 2017 and a vibrant, well-liked member of the team and community who was known for his infectious positivity and sense of humor.
On Wednesday 17th January 2018, Washington State was planned to present Pat Chun as its new athletic executive, but that news gathering has been deferred. Hilinski was expected to be the starter for the Cougars next season.
Out of his seven games played in the crimson and grey, Hilinski's triple-overtime victory over eventual Mountain West champion Boise State stands out as a career highlight. They stated that he was a great personality and incredible young man.
In the school press release Tuesday night, WSU provided information for students needing immediate assistance.