The district attorney of Willacy County says he has records that could be used to prove Vice President Dick Cheney is guilty of criminal activity.

"Greed will get you discovered and arrested every time, and that's what happened to Cheney," said Juan Angel Guerra in an interview with KRGV Newschannel 5, an ABC affiliate in Texas.

Earlier, Cheney and former Attorney General Alberto Gonzales have been indicted on charges related to alleged abuse of prisoners in Willacy County federal detention facilities.

Cheney is accused of 'organized criminal activities' and 'at least misdemeanor assaults' on detainees due to the misuses of his authority.

He is also charged with conspiring to profit from the Vanguard Group which holds interests in the private prison companies that run the detention centers.

Gonzales is accused of using his position during his time as Attorney General to block an investigation into abuses at the detention centers, located in south Texas.

Guerra has found connection between the financial records of Cheney and the prison companies.

The three top prison companies Guerra researched were Corrections Corporation of America, GEO Group and Cornell. Those three have the Vanguard Group in common, which is an investment company that puts money into all three prison companies.

Cheney's financial disclosure from last year showed that he owned shares in the Vanguard Group. Guerra estimated Cheney has $85 million invested in Vanguard and in turn into the prison companies.

"The problem you have is he now has a direct interest," said Guerra, adding it is a direct interest in making sure the prison companies stay in business.