This study attempts to explain the general pattern of aircraft hijacking in the U.S. between 1361 and 1976, the reasons for the dramatic reduction in hijackings after 1972, and the costs and benefits of regulation instituted in 1973 that required mandatory preboarding searches of all passengers...

There is widespread concern that the criminal justice system, particularly in large urban areas, is breaking down under the strain of an increasing demand for its services and inadequate resources. At the center of the system, located between the police and the prisons, are the criminal courts....