[1] There he conspired against Darius III with other Persian grandees, such as the chiliarch Nabarzanes, and Bessus, the satrap of Bactria.
Fleeing from the pursuing Macedonian forces, Bessus and the rebels carried Darius III in a covered wagon, reportedly in golden chains.
In order to buy some time for their escape, Bessus and his co-conspirators killed Darius III and left his body by the road.
When a Macedonian force of 4,600 led by Menon came close to his satrapy, Barsaentes fled to the Indians, and was given shelter by local dynast, Samaxus.
However, the latter handed Barsaentes over to Alexander in 326 BC, seemingly in order to gain the favour of the Macedonian king.