A three-year investigation into financial improprieties at six Christian ministries whose television preaching bankrolled leaders’ lavish lifestyles has concluded with the formation of an independent commission to look into the lack of accountability by tax-exempt religious groups.

The investigation report issued this week details the ministries’ luxury homes and cars, trips on private jets and expensive gifts, including two Rolls Royces that a third party reported was given to the Dollars as a gift from the church.

Media-based televangelists benefiting from tax code exemptions are warned — Sen. Chuck Grassley is a terrier-like congressional inquisitor with time and a big stick on his side.

“I am not threatening them, at this point,” the Iowa Republican said.

Sen. Charles Grassley has provided an update on his investigation into the financial dealings of several televangelists

Republican John McCain on Thursday rejected endorsements from two influential but controversial televangelists, saying there is no place for their incendiary criticisms of other faiths.

Nearly two-dozen conservative Christian leaders have signed a letter to the Senate Finance Committee questioning an investigation into six large ministries that preach a gospel of prosperity.