I know people have said that he won't flip but, flipping just is not the same as it was in the past.
This is an interesting read.
Secret Justice: Criminal Informants and America’s Underground Legal System
Although it is almost invisible to the public, the use of criminal informants is everywhere in the U.S. justice system. From street corners to jails to courthouses to prisons, every year the government negotiates thousands of deals with criminal offenders in which suspects can avoid arrest or punishment in exchange for information. These deals typically take place off-the-record, subject to few rules and little oversight. While criminal informants—sometimes referred to as “snitches”—can be important investigative tools, using them has some serious costs: informants often continue to commit crimes, while the information they provide is infamously unreliable. Taken together, these facts make snitching an important and problematic aspect of the way America does justice.
