Special report. The Los Angeles ER shootings, Part I: What happened--before, during, after.

The shootings of three doctors in a Los Angeles emergency room, and the subsequent hostage taking by the alleged assailant, received extensive national publicity and reportedly has had an impact on ER security at many hospitals--in California and elsewhere. In Part I of this report, we'll present details on what happened and what transpired afterward in connection with the hospital, Los Angeles County-University of Southern California Medical Center, and other California hospitals. Part II of this report, in our next issue, will deal with the event's impact on hospitals elsewhere in the country.