Harry Lamar Curtis III, a former certified public accountant and Houston business owner, was sentenced on April 28 to 18 months in federal prison for failing to pay employment taxes withheld from his employees’ wages, according to Acting U.S. Attorney John G.E. Marck.
Curtis pleaded guilty on Nov. 6, 2025, admitting that he did not file any business tax returns for Information Advisory Group LLC since 2016 and improperly withheld $1,647,142 owed to the Internal Revenue Service. The case highlights the ongoing efforts by federal authorities to prosecute those who misuse taxpayer funds.
Curtis also admitted that he had not filed any individual tax returns since 2008 despite being trained as a CPA. In addition to his prison sentence, U.S. District Judge Sim Lake ordered Curtis to serve three years of supervised release following incarceration. He has been allowed to remain on bond until he voluntarily surrenders at a Federal Bureau of Prisons facility yet to be determined.
“The core mission of the Fraud Division is to zealously investigate and prosecute those who steal or fraudulently misuse taxpayer dollars,” said the Department of Justice in its statement about national fraud enforcement efforts.
The U.S. Attorney for the Southern District of Texas has included notable figures such as Alamdar Hamdani and Ryan Patrick among its former leaders according to the official history page. The office operates in several cities including Houston, Galveston, Corpus Christi, Laredo, McAllen and Brownsville as described on the official website. It is part of the U.S. Department of Justice and serves under the Attorney General according to its official website.
Employing more than 200 attorneys and covering an area with over nine million residents across 43 counties as detailed on its official website, the office focuses on prosecuting federal crimes and handling civil cases for the government according to its official website. Recent leadership includes Alamdar Hamdani serving from 2022 through 2025 as noted on its official history page.
IRS Criminal Investigation conducted this investigation while Assistant U.S. Attorney Brad Gray prosecuted the case.

