Really, it's way past time to look at taking away the tax-exempt status of churches. It only seems to make them lie, cheat, and otherwise give into temptation, and we don't want to do that! Via the Washington Post:

A former investment manager alleges in a whistleblower complaint to the Internal Revenue Service that the Church of Jesus Christ of Latter-day Saints has amassed about $100 billion in accounts intended for charitable purposes, according to a copy of the complaint obtained by The Washington Post.

The confidential document, received by the IRS on Nov. 21, accuses church leaders of misleading members — and possibly breaching federal tax rules — by stockpiling their surplus donations instead of using them for charitable works. It also accuses church leaders of using the tax-exempt donations to prop up a pair of businesses.

[...] The complaint was filed by David A. Nielsen, a 41-year-old Mormon who worked until September as a senior portfolio manager at the church’s investment division, a company named Ensign Peak Advisors that is based near the church’s headquarters.

[...] According to Nielsen, $2 billion from Ensign has been used over the past decade to bail out a church-run insurance company and a shopping mall in Salt Lake City that was a joint venture between the church and a major real estate company.

Citing an internal presentation that he includes as an exhibit, Nielsen alleges that in 2009, Ensign spent funds on rescuing the insurance firm, Beneficial Life, which was suffering from its exposure to mortgage-backed securities amid the financial crisis.