Two of the biggest lottery jackpots in Texas history are under investigation over claims that the winners may have benefitted from more than good luck.

Lawmakers and state authorities are scrutinizing the Texas Lottery after online ticketing systems may have given an unfair advantage to winners of two multimillion-dollar jackpots. Why it matters: Attorney General Ken Paxton on Wednesday opened an investigation into two "suspicious and possibly unlawful" lotto wins by third-party courier services.

The announcement came as lottery officials have faced scrutiny over a controversial $83.5 million lottery ticket that was purchased through courier service.

Texas Lottery commissioner Clark Smith resigned on Friday after controversial lottery wins through third-party services.

Texas Gov. Greg Abbott has directed the Texas Rangers to investigate two controversial lottery jackpots amid growing scrutiny over the role of online ticketing firms in the state.

Under the proposed amendments, a retailer that works in concert with a courier service would have their lottery ticket sales agent license revoked.

Two of the biggest lottery jackpots in Texas history are under widening investigations over claims that the winners may have benefitted from more than good luck.

The investigation into two controversial lottery jackpots in Texas had drummed up questions about the role of online ticketing firms known as lottery couriers in the state – and nationwide.

And in each of those hearings, as lottery Executive Director Ryan Mindell appeared to struggle to provide answers that would satisfy the elected officials, an overarching theme emerged: Texas lawmakers had little to no confidence in his ability to run the gambling enterprise that makes around $2 billion in annual profits for the state.

Texas announced it is investigating two big lottery jackpots in the state where the winning tickets weree purchased through a courier service, as the state's lottery office announced it was banning such services.