E Authorizing closed public meetings under the open meeting law to receive security briefings and reports and to discuss issues relating to security systems, emergency procedures and security deficiencies in public services, infrastructure and facilities under certain public body public safety harm determination conditions, requiring closed meeting decisions to be made at a public meeting and the specific treat to be identified; requiring tape recording of the meetings and specifying a retention requirement, specifying conditions for release of the recordings to the public (ra, ja)