It dates back to 2010, and a Twitter post from Carolina player Marvin Austin. He was tweeting about an expensive night at a nightclub in Miami Beach.
By July 2010, the NCAA launched an investigation of the UNC football program focused on "impermissible benefits" from sports agents.
During the 2010-2011 football season, 14 players missed games because of investigations at UNC and the NCAAA.
In September 2010, Associate Head Coach John Blake resigned because of questions about receiving money from an agent in California. In July 2011, UNC fired Head Coach Butch Davis.
In March 2012, the NCAA issued formal sanctions against the Carolina football program.
UNC Faculty Investigation
In May 2012, UNC released a faculty investigation revealing problems in more than 50 African-American studies' classes -- classes 'popular' with athletes.
University Programs Investigated
In August 2012, UNC Chancellor Holden Thorp announced that the university would study the athletic and academic programs on campus. At the same time UNC appointed former Gov. Jim Martin to investigate the African-American studies classes.
No Show Classes
In December 2012, Martin concluded there were 200 "no show classes," and more than 500 "unusual" grade changes going back to 1994.
In February of this year, Chancellor Holden Thorp announced his resignation. He's now the provost at Washington University in St. Louis.
UNC Football Investigation
Now comes the criminal phase of the scandal.
We should learn in the next few days the names of the five people facing criminal charges in Tuesday's indictment.