When they find out that Forbes is an undercover cop, they take him to an apartment and interrogate him on various jobs and deals within the city, in exchange for not killing him. He later hooks up with his brother Lance and does jobs for shady figure Brian Forbes. Vic saves her and kills Marty, disbanding the Trailer Park Mafia and initiating the rise of the Vance Crime Family. Vic works with Louise, helping her weaken Marty's influence, eventually taking control of the Trailer Park Mafia's businesses in the city, prompting Marty to kidnap Louise.
Eventually Louise, tired of Marty's abusive nature, leaves her husband to live with her sister, Mary-Jo. Vic increases the Trailer Park Mafia's power in Vice City by fighting the Cholos, whom Marty also despises. Vic then meets Phil's brother-in-law, Marty Jay Williams, leader of the Trailer Park Mafia, and his wife, Louise. Vic is given work by gun runner Phil Cassidy, an associate of Martinez, who is in conflict with the Cholos, a street gang and rival gun runners. He is dishonorably discharged after drugs and a prostitute - both meant for Martinez - were found in Vic's barracks. He enlisted because he needs to be responsible for his family: his mom and brother Lance are drug addicts, and his brother Pete suffers from severe asthma. In Grand Theft Auto: Vice City Stories, set in 1984, Vic Vance is a corporal in the US Army, stationed in Vice City's Fort Baxter under the watch of Sgt.