AFP sheds some light on the reason for the increasing crime rate:

Criminologists told the [Washington Post] that gangs and the release of large numbers of prisoners were in part responsible for the rising crime.

Parole Board chairman: They've got a name for people like you H.I. That name is called "recidivism."
Parole Board member: Repeat offender!
Parole Board chairman: Not a pretty name, is it H.I.?
H.I.: No, sir. That's one bonehead name, but that ain't me any more.
Parole Board chairman: You're not just telling us what we want to hear?
H.I.: No, sir, no way.
Parole Board member: 'Cause we just want to hear the truth.
H.I.: Well, then I guess I am telling you what you want to hear.
Parole Board chairman: Boy, didn't we just tell you not to do that?
H.I.: Yes, sir.
Parole Board chairman: Okay, then.