Here’s another White House primary doc.
The Bipartisan Border Security And Immigration Reform Agreement Addresses And Overcomes Failures Of The 1986 Immigration Reform And Control Act. The 1986 Act failed because it gave a complete pardon (amnesty) to 3 million illegal immigrants as part of an automatic path to citizenship, did not provide the resources necessary to secure the borders adequately, relied on an employer verification system with only limited capability to detect ID fraud, provided inadequate penalties for employers who knowingly hire illegal immigrants, and made no provisions to meet future labor needs of U.S. employers in a growing economy.
More here.