A pizza delivery man robbed a bank in Pennsylvania, and soon died in a bomb blast as police tried to get hold of him. The case continued to boggle investigators for years, revealing one twist after another. In 2003, the perpetrator, Brian Wells, entered a bank in Erie, Pennsylvania, threatening the teller to give him $250,000, Metro reported. Wells told the teller that he had a bomb attached to him and would go off if he was not given the money, Metro reported. The teller tried to open the vault but couldn’t, and in the end, Wells left the bank with just $8,702 in his hands and was soon arrest…