A senator’s high-profile investigation of spending by televangelists wrapped up after more than three years Thursday with no penalties for the pastors who refused to cooperate and no definitive findings of wrongdoing.

The report released by Iowa Sen. Chuck Grassley raises questions about the personal use of church-owned airplanes, luxury homes and credit cards by pastors and their families, and expresses concern about the lack of oversight of finances by boards often packed with the televangelists’ relatives and friends.

However, the senator draws no specific conclusions about whether the ministries violated IRS rules that bar excessive compensation for leaders of religious nonprofits.

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