Complex sentence: The sex trade is facilitated by a large, influential organization; when she tries to report her findings to the UN and local officials, she receives threats and is "shunned by coworkers and thwarted by higher-ups".
Split into simpler sentences: The sex trade is facilitated by a large, influential organization. When she tries to report her findings to the UN and local officials, she receives threats and is "shunned by coworkers and thwarted by higher-ups".