Some investigators grew frustrated, viewing FBI leadership as uninterested in probing the charity, these people said. Others involved disagreed sharply, defending FBI bosses and saying Mr. McCabe in particular was caught between an increasingly acrimonious fight for control between the Justice Department and FBI agents pursuing the Clinton Foundation case.
It isn’t unusual for field agents to favor a more aggressive approach than supervisors and prosecutors think is merited. But the internal debates about the Clinton Foundationshow the high stakes when such disagreements occur surrounding someone who is running for president.
The Wall Street Journal reported last week that Mr. McCabe’s wife, Jill McCabe, received $467,500 in campaign funds in late 2015 from the political-action committee of Virginia Gov. Terry McAuliffe, a longtime ally of the Clintons and, until he was elected governor in November 2013, a Clinton Foundation board member.