Dallas police have doubled the reward in their search for a man who sexually assaulted a woman in the popular Knox-Henderson neighborhood earlier this month.

Police said the 30-year-old woman got separated from her friends after watching the Dallas Mavericks win the NBA championship at a bar on Henderson Avenue. She was attacked after leaving J. Black's to walk to her car, which was parked on Garrett Avenue.

A homeowner found her the next morning, naked and bleeding.

"Her injuries were severe -- I mean, she was beaten extremely bad," said police spokesman Senior Cpl. Kevin Janse. "It was a very violent attack, to the point where she lost consciousness and very easily could have died from this attack."

Dallas police are publicly talking about the case for the first time.

"Over time, things started coming together, detectives were better able to piece together a timeline and determine she was assaulted right when she left the restaurant and was laying there for several hours," Janse said.

Police said the last thing the victim remembers was being punched repeatedly in the face.

People who frequent the Knox-Henderson neighborhood said they were shocked by the attack.

"I just can't believe it," Robin Hawes said. "It's such a compact area with so many people walking around. It just seems odd."

"I guess my biggest concern is safety," said Ashley McCord as she valet-parked her car Thursday at J. Black's. "I used to walk down here. Now I'm afraid to do that alone, or even with a group."

There is a $10,000 reward for information that leads to an arrest in the case. Anyone with information should call Crime Stoppers at 214-373-8477.