Two teen girls and a 23-year-old woman are accused of attacking and robbing a Texas State University student.
The robbery happened Monday night at the Walmart off of SH 80.
The victim told police she was attacked by two women who got out of a silver car in the parking lot and stole her purse.
The suspects took off but 5 hours later a San Marcos police officer found a car matching the description at a convenience store off of I-35.
Two people were inside. 24-year-old Miguel Saucedo III and 23-year-old Kimberly Valdez were arrested for drug-related charges.
As officers questioned Valdez and others about the robbery case they learned two underage girls were also involved.
A 15 and 16 year old girl were taken into juvenile detention and charged with aggravated robbery.
At least one of those suspects is a student at San Marcos High School.