BROOKLYN, N.Y. - A knifepoint robbery and vicious beating in Brooklyn was all caught on camera, now police are looking for the man responsible.

It happened last month behind a residential building on Strickland Avenue near Avenue V in Mill Basin.

The 56-year-old victim was walking when police say the man in the white shirt approached him, took out a knife and demanded money.

He then threw the victim to the ground and repeatedly hit him in the face.

He made off with a cell phone and  $130 in cash.

The victim refused medical attention.

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). The public can also submit their tips by logging onto the CrimeStoppers website at or on Twitter @NYPDTips.