Se Habla Español. Las Vegas Defense Group case manager Hazel Leviav has several years of experience helping attorneys win favorable resolutions for clients in Nevada and California. Before becoming a case manager, Hazel worked as a sales executive and sales manager in broadcasting. Hazel received her bachelor's degree in communications from the California State University, Northridge. An English- and Spanish-speaker, she is devoted to guiding our Spanish-speaking clientele through Nevada's legal gauntlet.