Participate in discussions, meetings, and conferences with agency witnesses to gather facts, develop informative and constructive relationships, secure and provide information, interview prospective witnesses and others, obtain agreement or concurrence, and discuss alternatives and develop courses of actions or solutions to actual or anticipates legal issues. Gather facts and evidence, prepare legal briefs and other documents and materials preparatory or incidental to litigation; select appropriate witnesses and prepare them to give testimony; and participate in pre-trial and pre-hearing conferences.