A secret message is sent by Alexander to Cleander who obediently kills Parmenion at Ecbatana in Media for fear that he would rise up in revolt at the news of his son 's death .
Cleander is parmenion 's second in command .
A secret message is sent by Alexander to Cleander , Parmenion 's second in command , who obediently kills Parmenion at Ecbatana in Media for fear that he would rise up in revolt at the news of his son 's death .