OTTAWA — Conservatives went back on the attack against Liberal leadership frontrunner Mark Carney on Thursday, releasing a short digital ad saying Carney “sold out Canada” by overseeing the move of Canadian investment house Brookfield’s head office to New York while the company’s chair.

The ad not-so-subtly implies that Carney hasn’t been upfront with Canadians about his business dealings, closing with the caption “SNEAKY” in all-caps, overtop a snippet of Carney smiling impishly during a recent appearance on the Daily Show with Jon Stewart.