But when the emperor left Italy , Roger sacked Capua yet again .
They took Benevento , Bari , and Capua itself , installing Ranulf as duke of Apulia and Robert in Capua , vindicating these actions in battle .
When the emperor left Italy , Roger sacked Capua yet again .
They took Benevento , Bari , and Capua itself , installing Ranulf as duke of Apulia and Robert in Capua , vindicating these actions in battle .