SAN ANTONIO, Texas -- Julie Ann Rodriguez loved to cut and do hair. Monday morning her home had a small memorial of flowers and balloons.

The 44-year-old mother of three was gunned down in her driveway Sunday morning as she was headed to church.

Her two teenage sons were in the car when the shooting happened in the 6400 block of Brownleaf.

KENS 5 has learned Rodriguez was a potential witness in a murder trial set to begin Tuesday morning.

Rodriguez once dated Martin Balboa who stands accused of killing 28-year-old Joseph Delgado in 2003.

Family members said Rodriguez knew her life was in danger, but she chose not to live in fear.

Services for Rodriguez are pending. Police have not made an arrest in her shooting death.

Jury selection in Balboa's murder trial begins Tuesday.

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