For 10 points, name this Persian son and successor to Cyrus the Great.
Archaeologist Gary Chafetz was arrested for smuggling an airplane into a country during his search for a relic associated with this ruler. One key victory of this man was brought about when Phanes of Halicarnassus defected to his side. Angelo and Alfredo Castiglioni recently claimed to have found this man's lost army, which was swallowed up by a sandstorm while off to destroy the Oracle of Amun. At the time of his death, he was dueling against either his brother or a Magian priest posing as his brother. This brother of Bardiya was said to have developed madness after slaying the (*) Apis Bull. His most notable military victory was his defeat of Psamtik III at the battle of Pelusium, which brought Egypt under the control of his empire. Traditional accounts claim he died from gangrene brought on when he accidentally stabbed himself. For 10 points, name this Persian son and successor to Cyrus the Great.
Archaeologist Gary Chafetz was arrested for smuggling an airplane into a country during his search for a relic associated with this ruler.
{Cambyses} II [do not accept {Cambyses} I, but just {Cambyses} is fine]