Complex sentence: Many people believed that she was helping these women and giving them an opportunity to start up a new life, but in reality they were trained to become highly efficient information gatherers and verifiers, seductresses, messengers and when necessary, assassins.
Split into simpler sentences: Many people believed that she was helping these women, and giving them an opportunity to start up a new life. But in reality, they were trained to become highly efficient information gatherers and verifiers, seductresses, messengers and when necessary, assassins.