Bullitt - Pike, Robert L.

Lieutenant Clancy, a cop from New York has been handpicked for an assignment by Attorney Chalmers to protect a witness Rossi, an infamous gangster. But when Rossi is blasted into a critical condition, Clancy has just seventy-two hours to find out why Chalmers can't keep his mouth shut, why Rossi came to New York, and who else knows where he is.