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Under NY law, "Stephanie's Law" prohibits "unlawful surveillance," which is defined as (1) the installation of "an imagining device" with no legitimate purpose other than surreptiously viewing or recording another person in a bedroom, bathroom, changing room, or other specified room; (2) for the purposes of sexual arousal or gratification, the use or installation of an imagining device that surreptiously views a person dressing or undressing when that person has a reasonable expectation of privacy; (3) the use or installation of an imagining device to surreptiously view under the clothing of a person (commonly known as "upskirting"); or (4) for amusement, entertainment or profit, or to abuse or degrade the victim, the use or installation of an imaging device to surreptiously record another person dressing or undressing when that person has a reasonable expectation of privacy. A person who is found guilty of these crimes, which are rated as class D felonies, can be sentenced to a jail term of between 2 and 7 years, and, if so sentenced, must register with the State's Sex Offender Registry after release.
Thus, what he did, if you have evidence of it would be a felony and he would go to prison and would be a lifetime sex offender. So yes, you would ruin his life and you should ruin it if you have evidence of him actually doing this because his conduct would be unacceptable and illegal.
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