Forming and heading a pool of Attorney General (AG) Offices' anti-trust investigation into Google, the Texas AG office hired three lawyers two of whom were linked to Google's main competitors.
Eugene Burrus worked as assistant general counsel at Microsoft.
Another lawyer, Cristina Caffarra, is an economist with consultancy group Charles River Associates.
The Charles River website says that Caffarra previously represented News Corp, Microsoft, and Amazon on anti-trust matters.
Microsoft and Amazon are Google's two main rivals.
News Corp has been critical of the extent of the power of the search-engine giant as well.
The third lawyer is Roger Alford, a veteran of the Justice Department and currently a professor of law at the University of Notre Dame.
Alford, on the possible length of time this probe might take, commented that "Everyone knows this will be a long-running investigation."
He confirmed that the meeting started in August.
On the high-profile attorneys that the Texas AG office hired, March Rylander, the office's spokesman, said that as it often does, "the state" has availed of "legal consulting experts."
Though Google said the company is cooperating with investigators, it didn't comment on the experts hired.
Microsoft, which complained of Google's competitive ways, didn't comment as well.
The Texas AG office has also asked help from Oracle Corp vice president Ken Glueck.
Oracle had been on business issues with Google and was involved in FairSearch, an advocacy group that pushed the European Union to conduct a Google investigation.
William Kovacic, a former Federal Trade Commission (FTC) chairman under President George W. Bush, at the time of the antitrust investigation announcement, said that he can't remember "the last time you had just about everybody gets on the train" providing a somewhat greater degree of power behind it.
Texas' probe into Google is part of a larger anti-trust investigation into the company led by the AGs of 48 states, with the additions of Washington, D.C. and Puerto Rico.
The investigation is being led by Texas Attorney General Ken Paxton who is looking into accusations of antitrust violations by the search and advertising giant.
Paxton commented that Google dominates all sides of the online equation, including buyers and sellers "and even the video side with YouTube."
The big tech companies are in a wave of scrutiny with both state and federal antitrust investigations getting conducted.
Likewise, the Justice Department (DOJ) and the Federal Trade Commission (FTC) are also into this same goal.
In July, the DOJ issued a statement saying that its antitrust division is into looking at how leading online platforms got market power that reduced competition, stifled innovation or probably harmed consumers.
Though the department said its probe concerns "search, social media and some retail online services," it didn't name which companies are involved but it has been reported that it includes four major technology companies.
Being bipartisan in nature, the antitrust investigation on the AG pool, on the other hand, has congressional hearings also getting done on Amazon and Facebook.
