The documents, which also include spreadsheets that list the bank's "track record" for converting hires into business deals, offer the most detailed account yet of JPMorgan's "Sons and Daughters" hiring program, which has been at the center of a federal bribery investigation for months. The spreadsheets and emails — recently submitted by JPMorgan to authorities — illuminate how the bank created the program to prevent questionable hiring practices but ultimately viewed it as a gateway to doing business with state-owned companies in China, which commonly issue stock with the help of Wall Street banks.