By Steve Beck, Natasha Brown

PHILADELPHIA (CBS) –- Philadelphia Police say the suspect who violently attacked a 75-year-old man in a gas station, robbed an 18-year-old female one hour later on the 2000 block of N. Broad Street.

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When police released the surveillance video of the man beating and robbing the 75-year-old victim, a Central Detective recognized the suspect in the video as the defendant in the robbery on the 2000 block of N. Broad Street.

The suspect, Joseph Smith, was already in custody from the attack on the female.

Smith will be charged in the beating and robbery of the 75-year-old man.

The video shows the 75-year-old victim standing at a counter purchasing lottery tickets. Out of nowhere, the suspect sucker-punches the victim in the right side of his head, causing him to fall to the ground.

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While on the floor, the suspect continued to punch and kick the victim in his head and body.

The suspect stole the victim’s lottery tickets and $40 in cash and then ran out of the store.

WATCH: Surveillance Video

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Both incidents occurred on September 18th.