After successfully completing their mission, Princip and Cabrinovic attempted to take their own lives. However, the cyanide capsules they had with them malfunctioned, as the chemical had oxidized and did not work as intended. This failure left them alive to face the consequences of their actions.
Their dramatic attempts at suicide reflect the intense pressures they faced following the assassination, which had significant global ramifications. Their actions helped instigate a chain of events that led to World War I, revealing the profound impact individual choices can have on world history.