Juan Martín García was born on February 18, 1980, in Harris County, Texas. He was an American citizen and had Salvadoran roots. 

On September 17, 1998, Juan Martín García attempted to rob Hugo Solano, a 36-year-old Christian missionary. The incident took place at an apartment complex in Harris County, Texas. García, joined by three other men, approached Solano and demanded his wallet. When Solano refused to comply, García shot him three times. After the shooting, they took only $8.

García was arrested and later tried for capital murder. He was convicted and sentenced to death. He arrived on death row on June 21, 2000, at the Polunsky Unit. After many years of appeals and legal processes, he was executed by lethal injection on October 6, 2015, at the Huntsville Unit in Texas. Before his execution, García expressed remorse and apologized to Solano's widow and daughter. He was the 11th person executed in Texas in 2015.