This week, BP released its internal investigation results that were initiated soon thereafter the explosion on the Deepwater Horizon rig that killed 11 crew members. The report identifies 8 key factors that lead to the explosion.
Though this investigation is enlightening, it is noteworthy that this is an internal BP investigation where much of the blame is placed on other corporations and parts of the puzzle. These claims that others were at fault give some insight into the possible legal defense that will be used by BP in the coming months as they go through both criminal and civil proceedings.
Below is a link to the webpage containing the reports released by BP.