Shooting suspect surrenders to local authorities


According to a press release obtained by FOX 7...

Johnathan Ivan Alonzo Guia surrendered to authorities at the Hays County Government Center at 3:15 p.m. Oct. 6.  He is now in custody at the Hays County Law Enforcement Center. San Marcos police continue the investigation.

Original Article Below

The San Marcos Police Department is on the lookout for a suspect in an October 2 fatal shooting that left one man dead in a drug deal gone wrong.


22-year-old Johnathan Ivan Alonzo Guia a.k.a. "Nuno" and "Barney" has an active arrest for murder in connection with the death of 21-year-old Isaac Olvera. Guia has a lengthy criminal history and violent tendencies.

Officers found Olvera shot in the abdomen on October 2 at about 2:30 a.m. when they responded a reported shooting at a home on the 1300 block of Thorpe Lane. Olvera died of his injuries at the hospital.

Witnesses report that a narcotics deal was taking place at the time of the shooting. Three individuals, including the shooter, fled the scene.

A suspect police believe to be the actual shooter, 19-year-old Bryan Martinez, was arrested on October 4 in San Marcos.

People with information on Guia’s location are asked to contact Detective Tiffany Williams at 512-753-2306 from 8 a.m. to 5 p.m. Monday through Friday or the SMPD non-emergency line at 512-753-2108 after hours.

Tips can be made to or Crime Stoppers of Hays County at


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