The FBI has arrested four NCAA assistant basketball coaches on charges of fraud as part of a corruption scheme allegedly involving 10 total individuals — also including managers, financial advisers and representatives of a major international sportswear company. The U.S. attorney general has scheduled a 9 a.m. press conference for Tuesday.

According to indictments unsealed in federal court on Tuesday, the four coaches involved are Auburn assistant coach Chuck Person, Southern California assistant Tony Bland, Arizona assistant Emanuel “Book” Richardson and Oklahoma State assistant Lamont Evans.

RELATED: FBI arrests four college basketball assistants on charges of fraud

MORE: Read a copy of the federal indictment involving college basketball coaches

Court documents reveal that the FBI and U.S. Attorney have been investigating the matter since 2015. The investigation revealed numerous instances of bribes being offered to potential student-athletes. 

The six others named on court documents included: James Gatto (director of global sports marketing at Adidas), Merl Code (recently left Nike for Adidas), Christian Dawkins (NBA agent who was recently fired from ASM Sports for charging approximately $42,000 in Uber charges on a player’s credit card), Jonathan Brad Augustine (president of The League Initiative and program director of the Adidas-sponsored 1 Family AAU program), Munish Sood (a financial adviser), and Rishan Michel (former NBA official who founded Thompson Bespoke Clothing line).

Adidas issued the following statement, in reference to Gatto: “Today, we became aware that federal investigators arrested an Adidas employee. We are learning more about the situation. We’re unaware of any misconduct and will fully cooperate with authorities to understand more.”

Names of specific schools were not named, only being referred to by numbers, as ‘University 1,’ University 6′ and so on.

University 1 was identified as where Person was employed as an associate head coach and where he had previously played college basketball: Auburn. 

One of the schools was based in the state of Kentucky and one of the schools was in the state of Florida.

The description of the school in Kentucky fits the profile for Louisville. The men’s basketball program is on probation for NCAA violations after a former staffer was found to have arranged sexual favors for players and prospective recruits.

“We have no idea about any of this stuff,” said Kenny Klein, a spokesman for the University of Louisville athletic department. “This is the first I’ve heard of it. Nobody in basketball is aware of any of this.”

The profile of the school in Florida closely matches the University of Miami. The football and basketball programs were sanctioned by the NCAA in 2013 as part of a booster scandal that involved impermissible benefits. The probation for the violations ended last October.

Both Miami and Louisville are sponsored by Adidas.

The FBI alleges in one complaint unsealed Tuesday that “Person abused his coaching position (at Auburn) to solicit or obtain bribe payments” from a financial advisor for professional athletes. That financial advisor, who was not named in the indictment, was working with law enforcement as part of the investigation unbeknownst to Person and the other defendants.

Over a 10-month period, the financial advisor allegedly paid about $91,500 in bribes to Person in exchange for Person “agreeing to direct certain (Auburn) basketball players to retain the services (of the financial advisor) when those student-athletes entered the NBA.”

According to the complaint, Gato, Code, Dawkins and Sood “worked together to funnel $100,000 from (Adidas) to the family of a high school player in exchange for (the player’s) commitment to play at an NCAA Division I university whose athletic programs are sponsored by (Adidas).” The school was cited only as University 6. 

Gato, Code, Augustine and Sod also allegedly agreed to make payments of as much as $150,000 from Adidas to another high school player to play at another school (referred to as University 7) in exchange for Dawkins’ services and a commitment to sign with Adidas after the player turned pro. Dawkins and Augustine also “agreed to facilitate payments to the family” of another unspecified high school player in exchange for that player’s commitment to University 6.

Michel, described in the complaints as the founder and operator of a clothing company in Atlanta, runs suit outfitter Thompson Bestow. A review of his client list — which is no longer available online — includes Jadeveon Clowney of the Houston Texans, Sammy Watkins of the St. Louis Rams and Mike Evans of the Tampa Bay Buccaneers.

Richardson is in his ninth season at Arizona and 11th overall under coach Sean Miller. The New York native helped recruit many East Coast players to Arizona, including former Wildcats standouts Mark Lyons and Kevin Parrom. Before coming to Arizona, Richardson, ran the New York Gauchos AAU program. 

It’s unclear what affect Richardson’s arrest will have on Arizona with regards to the NCAA. The Wildcats are scheduled to hold their media day on Wednesday. 

This story is developing. Check back for more.

USA TODAY Sports and The Arizona Daily Star contributed to this story.