Police are looking for 34-year-old Marvin Palencia in the fatal shooting. Police say Vazquez was shot at 101 Constitution Avenue, a downtown office building, where he worked for a janitorial service.

According to sources, Palencia, who also worked for the janitorial service, was angry that Vasquez was having an affair with his wife, and had threatened to kill him. They say the wife worked in the building as well.

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