I believe that successful reentry depends on many factors, among which changing perceptions and social supervision are the most important. Prisoners tend to be seen in a negative light after their release, not like people who need help but as offenders, one should keep away from it.
This perception effectively blocks successful communication when prisoners look for a job and try to get integrated into society. Thinking of an offender becoming a new citizen after the release may help to change this perception and foster successful integration into society.
The other effective measure for successful integration is social supervision. When a prisoner is released, conditions are often set to ensure that he sticks to the right path. Such conditions may include abstention from liquor or visiting a psychologist to have talks with him. These conditions are meant to keep ex-prisoners away from trouble and are often effective in their rehabilitation.