SAN ANTONIO -- Two San Antonio police officers were charged Thursday with official oppression in connection with an incident involving a woman.

Victor Hugo Gonzalez, 36, a six-year veteran of the force, was also charged with promotion of prostitution and sexual assault.

Police Chief William McManus said that Gonzalez propositioned and sexually assaulted an 18-year-old woman while on patrol at a park near Riverside Golf Course in June.

McManus also said that woman was forced to commit a sex act for a friend of Gonzalez.

Also charged with official oppression was Michael Anthony Munoz, 33, a five-year veteran of the force.

McManus said that Munoz groped the woman and stood watch for Gonzalez.

"You scratch your head wondering, 'What was going through your mind when you were doing this?'"McManus said. "You think you're getting away with it."

An arrest warrant was also issued for Raymond Ramos, 28, a two-year veteran of the force. Ramos is wanted on sexual assault charges and civil rights violations, McManus said. He is considered to be at large but not on the run.

Gonzalez and Munoz are out on bond and will be placed on administrative duty pending an indictment, which could happen soon, said Bexar County District Attorney Susan Reed.

"It's going to go to a grand jury very quickly, I can assure you of that," Reed said.

Wednesday’s arrests bring the total of police officers arrested in 2007 to five, four of whom worked out of the Southside Substation on the 700 block of West Mayfield Boulevard.

McManus called Thursday’s allegations “disturbing,” but he also said that all officers should not fall under the umbrella of a few who might have broken the law.

McManus said an officer at the substation was the one who brought the allegations to his attention after a woman complained to him about an officer assaulting her.

“These types of incidents are not only embarrassing, but frustrating, and they do make you angry,” McManus said. “By no means are we going to tolerate it, by no means are we going to soft step it.”