Eliza (female) has been working as an administrative assistant at Giant Coalmine Corp. for two years. Recently, several of her male coworkers, including some of the company's executives, have started sexually harassing Eliza by engaging in unwanted sexual advances, abusive language, and threatening behavior. Eliza has discussed this situation with her female coworkers, several of whom have experienced a similar pattern of inappropriate treatment. The women feel intimidated and worry about losing their jobs if they complain. What can Eliza and her attorney do to strengthen their case against Giant Coalmine?