IL criminal code, filing assault/battery charges

Who would be the one asking for the lie detector test? The prosecutor? An uninterested third party? Lie detector tests are not admissible as...

IL criminal code, IL procedure for expunging felony from record

In short, no. If it's not special drug probation (410 or 710 probation), no felony convictions can be "removed" from your record.

No. But if found guilty of underage drinking, his or her driver's license will be suspended! Be careful when going to court.

Not to repeat other answers, but what were the other tickets? Speeding? Illegal lane usage? There should have been other tickets issued outlining...

Procedure for getting prior battery conviction expunged under IL state law

In short, no. A conviction cannot be expunged. There are certain convictions that can be "sealed", but battery is not one of them. Sorry.

Age considered a adult

He is considered an adult, and they can hold him 72 hours before they have to officially charge him and bring him before a Judge to be given a bond...

Statutory rape

Of course! Imagine being unable to bring charges just because the victim's birthday was a day after the crime was committed. That would be...