The Galveston County Sheriff's Office was able to track 23-year-old Jamie Posada and 21-year-old Ricardo Posada to Houston where they were taken into custody.
It's not clear if the men are related.
The men told police they were asked by a third man to go to the location to commit a burglary but that it was not planned to hurt anyone.
The killing happened on FM 517 near Algoa-Friendswood. Authorities say the victim, who was shot several times, was an employee of Bradshaw nursery, where he was found.
Police are now searching for a third person believed to be involved in the deadly shooting.
The victim's identity has not been released.
Report a typo to the ABC13 staff