“…The other agent intentionally brought about the memory loss (say, by taking a forgetting pill) before committing the wrongdoing. The voluntary nature of his forgetting has the consequence that it does not mitigate his responsibility ( Birch, 2000 ). This suggests that whether the fact that an agent has forgotten about his past wrongdoing can be used as an excuse for a wrongdoing crucially depends on whether the forgetting was brought about intentionally and voluntary.…”