A grainy image of his face drew comparisons to Hollywood heartthrobs. A jacket similar to the one he’s wearing on wanted posters is reportedly flying off the shelves. And the words written on the bullets he used to kill a man in cold blood on a sidewalk on Wednesday have become, for some people, a rallying cry.

Four days after a gunman assassinated a top health insurance executive in Midtown Manhattan and vanished, the unidentified suspect has, in some quarters, been venerated as something approaching a folk hero.