On January 7, 2003, Mayor of Brownsville Blanca Vela announced that she would not seek re-election for a second term in a speech in front of the Market Square fountain.
[2] Treviño and Gonzalez placed first and second (out of four candidates) in the election held on May 3, 2003, which qualified them for the runoff.
[5] In the November 2022 elections, Treviño defeated Republican challenger Carlos Cascos, who had previously served as Cameron County Judge from 2006 to 2015, when he resigned to become Texas Secretary of State.
[8] If approved by voters, it would be the first new city in Cameron County since the incorporation of Los Indios in 1995.
[8] Treviño has also been an outspoken defender of the Texas LNG project, located in the county.