New York Consolidated Laws, Penal Law - PEN § 215.17 Intimidating a victim or witness in the first degree

1. Intentionally causes serious physical injury to another person for the purpose of obstructing, delaying, preventing or impeding the communication by such other person or another person of information relating to a criminal transaction to any court, grand jury, prosecutor, police officer or peace officer or for the purpose of compelling such other person or another person to swear falsely;  or

2. Intentionally causes serious physical injury to another person on account of such other person or another person having communicated information relating to a criminal transaction to any court, grand jury, prosecutor, police officer or peace officer.

Intimidating a victim or witness in the first degree is a class B felony.