Norther Winslow's career as a bank robber went on for a bit longer than Edward alluded to
In reality, he was scared into going straight after he was caught up in a disastrous jewelry-store holdup that ended with him as the sole survivor
. Sure, he almost got nabbed by a pesky undercover cop. Fortunately, though, nobody could connect him to the robbery—as he was going by the alias "Mr. Pink" at the time.
- Or this happened BEFORE he robbed the bank, and the bank robbery was his last chance of making some money, as all his contacts in the criminal underworld where either dead or arrested.