THe National Defender Investigator Association (NDIA) offers training for Investigators, Paralegals, and Sentence Mitigation Specialists from federal, state, and local defender offices. Training is offered twice a year at different locations around the country. With nearly 1,000 members, NDIA is the largest organization offering training to defense investigators. NDIA also offers a certification program for investigators. For more information, and for membership applications, please visit www.ndia.net