A shooting occurred at Fort Sam Houston Army base in San Antonio on Monday, leaving one female Army instructor injured and a former service member arrested for the crime.
The suspect was subsequently located on base and surrendered to authorities.
Col. Jim Chevallier, vice commander of 502 Air Base Wing, would not give the identity of the shooter or victim or discuss any possible relationship between the two, The Associated Press reported.
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San Antonio Police Chief William McManus, however, told the San Antonio Express-News that the victim and shooter were involved in a relationship.
The incident took place at Fort Sam Houston's Army Medical Department Center and School at about 2:50 p.m. Authorities said the shooter was a soldier who came into the victim's office and began talking to her. The pair then continued a discussion on a veranda outside the building, where the shooter eventually fired multiple shots from a handgun, Chevallier said.
It was not clear how many shots were fired. The victim's co-workers are medical professionals, and they were the first to attend to her wounds, Chevallier. She remained hospitalized on post late Monday and was in stable condition.
"It started as a conversation," Col. Randy Anderson said. "He came into her office space, and then she took him out of the building. It occurred there."
Chevallier said the shooter got in his car and drove away from the medical center. He later parked and try to flee on foot while still within the base, but thought better of it.
Matt Barido, deputy director of the 502 Wing Security Forces, said the shooter then called his lawyer, who contacted the San Antonio Police Department and told them where to find him.
The suspect is in custody at Fort Sam Houston, but authorities wouldn't say if he's been charged.
Authorities locked down the base for about two hours while military police cleared the building where the shooting took place.
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Most army medics undergo training at Fort Sam Houston, which hosts one of the nation's top burn units.
The San Antonio base is also one of the military's oldest bases still in operation.
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