The Hays County Sheriff's Office responded to a burglary call in the 800 block of Crest Circle in San Marcos on Friday.
The homeowner told deputies that two people were inside his home and refusing to leave.
Hays County SWAT and Crisis Negotiations Teams were called to the scene. Both teams were unable to persuade the suspects to surrender.
After the failed attempts to make contact, Hays County SWAT entered the home and secured the scene.
Once inside, officers found the body of 20-year-old Kevin Ray Rodriguez of Buda. The Sheriff's Office said Rodriguez had been shot and was pronounced dead at the scene.
The homeowner and his children were not harmed during the incident.
Authorities are still investigating.