Accident or possible interference from Interpid Eye, we arent quite sure just yet. We know the security systems aboard the station were nothing to her.

To know the Lore is to know Halo

"Dont be spoiled, dont start a fight. Always be careful, here at night. Because the Spartans might come, in suits that weigh half a ton. And they'll steal from you all you gots, just like they did from Colonel Watts."