The reason he says "Do you smell maple syryp?"
The city revealed on Thursday that the culprit was the seeds of fenugreek, a cloverlike plant, which are used to produce fragrances at a factory across the Hudson River in North Bergen, N.J. It turned out that the city had never given up trying to determine the aroma’s origin. It had quietly created a crack maple-syrup team that remained on the case. The North Bergen factory, owned by a company called Frutarom, used the herbal seeds to manufacture food flavors, releasing a pungent, generally pleasant smell in the process. Under the right weather conditions — high humidity, no rain — the aroma drifts across the Hudson onto the West Side of Manhattan.More in the NYTimes - but who is Pat Keirnan?