MAGAZINE | October 30, 1994 THE BIG CITY: THE BIG CITY; Walking the Walk By John Tierney For too long now, the perp walk has been a misunderstood phenomenon. It is a standard scene on the evening news, captured every day in the city's papers, the brief moment when the alleged perpetrator of New York's latest atrocity is walked by police out the door of a station house. You watch as an accused murderer or mobster, helplessly handcuffed, is dragged through a horde of screaming reporters and jostling photographers, and you naturally assume you're seeing a barbaric mob wreaking random havoc. But that's not the case. It's actually a barbaric mob wreaking exquisitely planned havoc.