A jury on Monday found Williams guilty of obstructing emergency services. He was acquitted of disorderly conduct and the more serious charge of obstruction of government services.
WATCH: Councilman Williams arrested after protesting with Councilman Rodríguez
The 41-year-old Democrat from Brooklyn was arrested outside a federal building over the detention of Ravi Ragbir, a citizen of Trinidad who has been fighting deportation after a fraud conviction.
Williams launched his campaign to unseat incumbent Lt. Governor Kathy Hochul a few days after his arrest.
They face off in the Democratic primary on Sept. 13.
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