I am afraid the case would have to be reviewed in its entirety to determine defenses and procedures . Certainly, the charge is significant. Your son should retain legal counsel.
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It sounds like you may nee d to consult legal counsel. From your post it is unclear if there is a specific question. The charges against your son are separate and distinct from any charges that may be filed against the other party in the case.
These statements do not constitute legal advice. They are meant to be general in nature, for any specific legal questions you should always seek the counsel of an experienced attorney.
It is not clear what question is being asked here, or was intended. Perhaps if you call a criminal lawyer on the phone, a dialogue would help develop the question.