Police combed through Sunset Park Monday night after another sex assault. At 8 p.m., a woman was walking down 5th Avenue, off 44th Street, when a suspect came from behind and groped her. The victim told police the suspect then ran down 44th Street towards 4th Avenue.

Sources tell PIX 11 News the victim described the suspect as a male, latino, approximately 5'4" and 160 lbs.

The description is similar to a pattern of sex assaults that began in March and has changed routines in neighborhoods including Park Slope, Sunset Park, Bay Ridge, and Windsor Terrace. And if investigators attach it to the same pattern, it will represent the 13th sex attack in the borough.

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In the hours following this latest attack, police were seen throughout Sunset Park and Park Slope questioning men who fit the description given by the victim, including clothing: a two-tone sweatshirt.

The victim, was shuttled from scene to scene in an unmarked police car as detectives hoped for visual confirmation.

Police Monday were already busy handling two sex assaults from over the weekend, including the attack of a 20-year-old woman in Windsor Terrance Sunday night.

If the Monday attack is included in the pattern, it will represent two developments: [1] to our knowledge, the suspect has never attacked on back to back nights before, and [2] the suspect usually pounces on his victims as they near their destination.

Monday's attack took place alongside a high wall on the 5th Avenue side of Sunset Park, with no potential egress for the attacker to escalate.