FBI probes if group linked to Mayor Bill de Blasio EXTORTED opponent Christine Quinn

The FBI has launched an investigation to determine if an animal rights group behind Bill de Blasio’s controversial pledge to ban carriage horses in Central Park had tried to extort his opponent Christine Quinn.

Sources familiar with the federal probe told the New York Daily News that agents have been questioning people about the pledge made in March 2013.

The ongoing investigation also reportedly revolves around a $175,000 donation made by a union linked to Mayor de Blasio’s cousin John Wilhelm to the animal rights group NYCLASS, which has championed the ban on carriage horses.

The organization was allegedly behind the ‘Anybody But Quinn’ publicity campaign attacking the one-time Democratic frontrunner Quinn.

According to the Daily News, federal officials are also looking into allegations that political consultant Scott Levenson affiliated with NYCLASS had threatened to derail Quinn’s mayoral campaign if she didn’t get on board with the carriage ban…