What is the main conflict in The Orchid Thief by Susan Orlean?

The Orchid Thief by Susan Orlean is a story about the world of orchid growing and collecting, its history and the people who are involved in this form of collecting. Susan reads a newspaper clipping about a man named John Laroche and three Seminole Indians who have been accused of stealing orchids from the Fakahatchee Strand. She is intrigued when she reads the story and decides to investigate the situation further.