"We thought you know we can kind of go to battle with him and the university or we can try to work with him and try to effectuate change," Jim Piazza, Tim's father, told CBS.
The settlement allows the Piazzas to move forward with claims against other parties related to Tim Piazza's death, including "the individual perpetrators," according to a release from Piazza attorney Tom Kline.
"The guilty plea of Bo Han Song is one more step in a long road of towards justice for the parents of Tim Piazza."
Twenty other defendants still face charges in the case. A trial for most of them is scheduled for February 2019.
"In the past, the natural autonomy assumed by these private organizations, located, as many of them are, on private property beyond the University’s reach, led the governing councils to monitor and discipline their member organizations," Sims wrote.
Seven former Beta Theta Pi brothers were back in court on Tuesday for another preliminary hearing in the Penn State fraternity hazing case stemming from the 2017 death of pledge Timothy Piazza.