N.Y. Penal Law § 215.13: Tampering with a witness in the first degree

§ 215.13 Tampering with a witness in the first degree.

A person is guilty of tampering with a witness in the first degree

when:

1. He intentionally causes serious physical injury to a person for the

purpose of obstructing, delaying, preventing or impeding the giving of

testimony in a criminal proceeding by such person or another person or

for the purpose of compelling such person or another person to swear

falsely; or

2. He intentionally causes serious physical injury to a person on

account of such person or another person having testified in a criminal

proceeding.

Tampering with a witness in the first degree is a class B felony.