In an interview with Fox News, DeLay picked apart the prosecution's case against Perry, which accuses the governor of felony coercion and abuse of official capacity for threatening to veto the funding to the Travis County Public Integrity Unit after its district attorney, Rosemary Lemberg, was convicted of drunk driving.
"There is no doubt this is politically motivated," DeLay said. "Once again, the district attorney of Travis County presented a case, not unlike mine, that was very weak, if it was a case at all. It's a conspiracy to use the legal system to politicize politics."
DeLay would know something about conspiracies: The former House Majority Leader was indicted by a Travis County grand jury in 2005 for conspiracy to violate election law on a case that included charges of money laundering.
He was convicted in 2011 and sentenced to three years in prison, but in 2013, the Texas Court of Appeals overturned his conviction. The state has appealed to the Texas Court of Criminal Appeals, which heard arguments in June and is expected to deliver a judgement next year.
DeLay said the Travis County Public Integrity Unit, which led the case against Perry, is unconstitutional because its district attorney is locally elected, but the office has statewide jurisdiction. He also said Democrats were trying to use the case to trip up Perry's preparations for a bid at the presidency in 2016.
"Democrats love what's going on," he said. "They used the legal system to take me out. It is a conspiracy to use the legal system to criminalize politics."
But DeLay warned Perry against brushing off the charges, since the deck seemed to be stacked against him.
"You better take this seriously," he said. "All of the judges are Democrats. And we polled 300 jurors, and the best I got was a Green Peace activist."