Final answer:
After being arrested, Sirhan Sirhan confessed to killing Robert F. Kennedy and was ultimately sentenced to life imprisonment.
Step-by-step explanation:
After the authorities arrested Sirhan Sirhan, he confessed to killing Robert F. Kennedy. He was charged with first-degree murder and later convicted, receiving a death penalty sentence. However, the sentence was commuted to life imprisonment when California abolished the death penalty.
Learn more about Sirhan Sirhan's arrest and conviction