In the surveillance video, you can see the man use the rock to smash through the glass door St. Brendan's Church in Bedford Park.
It happened at Tuesday, May 19 at 3:45 a.m. on East 206 Street.
Once the door was broken, he used his body to shove his way in.
The man took off empty-handed.
He is described as a dark-skinned man who wore a sweat suit with the letters FBG on the front.
Anyone with information in regard to this incident is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782).
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