The team confirmed Monday that Barnwell was no longer on the roster.
The stabbing incident occurred around 1 a.m. on Monday, June 5, in the area of Plaza Drive.
The Nittany Lions are represented by nominees Ki-Jana Carter, D.J. Dozier, and Paul Posluszny.
Downtown State College will host its annual Pride Parade at 3 p.m. on Saturday, June 10.
Lane is the first safety and 17th player to join Penn State's recruiting Class of 2024.
Gilliam received offers from West Virginia, Virginia Tech, Indiana, and Texas A&M, among others, but chose the Nittany Lions after his official visit on June 2.