[A man marching with a poster showing Garner's last words/photo by Anna Sterling]

WATCH: New Raw Video Surfaces In NYPD Chokehold Death (GRAPHIC)

These were Eric Garner's last words before he died of a heart attack after an encounter with NYPD officers in what many consider the latest case of police brutality.

READ MORE: Questions linger following the alleged choking death of Eric Garner

A friend of Garner's, Ramsey Orta, 22, recorded the encounter, which has since gone viral.

READ MORE: Eric Garner could have been saved by proper medical care: Dr. Cyril Wecht

"Just go to the tape. Just go to the tape," Rev. Al Sharpton repeated Saturday at his talk at Mount Sinai Community Center for a justice for Eric Garner rally.

WATCH: EMS on Modified Duty, Cop Stripped of Badge in Chokehold Arrest Death

The video shows not only the officer holding an asthmatic Garner, 43, in a chokehold, but also of what appears to be officers slamming his head against the sidewalk. 

Police officers allegedly approached Garner on the corner of Bay Street and Victory Boulevard in Staten Island over untaxed cigarettes they say Garner was selling.

New York Mayor Bill de Blasio cut a trip to Italy short to address the case, which is currently under investigation

NYPD took away the gun and badge from the officer who placed Garner in a chokehold. 

Another officer involved in the case is currently on administrative duty.

Also, four EMS workers employed by the Richmond University Medical Center have been placed on modified duty during the review.

Reach Executive Producer Anna Sterling here. Follow her on Twitter here.