Deputy Chief Steven Silks, 62, was found Wednesday night in his police car near the precinct in Queens where he worked.
Homicide Detective Joseph Calabrese, 58, was found near a remote area of Brooklyn.
With suicide a growing crisis for police, NYPD Chief of Department Terence Monahan recorded a message on Twitter with information about assistance.
Last year 159 officers across the country took their own lives, more than were killed in the line of duty.
If you or anyone you know might need to speak to a professional, the phone number for the National Suicide Prevention Lifeline is 800-273-8255.
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