INVESTIGATIONS: The Kingpin & the Mayor

In some of its early clinical efforts, the Senate's Kefauver crime investigating committee seemed interested only in examining the lumps, warts and old tattoo marks on the body politic. But in New York last week, it was intent on deeper surgery. Though its hearings were closed, and could only be followed by buttonholing the doctors at the operating-room door, the committee's interests were plain. It wanted to know all about 1) Underworld Kingpin Frank Costello, and 2) former Mayor and present U.S. Ambassador to Mexico William O'Dwyer.

Costello was called in to...