The victim's daughter, Judy Dusk, said her mother, Josephine Regnier, is a World War II Navy veteran.
Dusk said her mother was waiting for one of her daughters outside her building around 11:50 a.m. Wednesday. The daughter was coming to pick her up to go to the dentist.
That's when police say a man pushed Regnier into the hallway of her building.
"This man just came in the gangway and assaulted her, beat the [expletive] out of her, took her purse and ran," Dusk said.
Regnier was rushed to the hospital, where police said her condition stabilized.
Dusk said her mother was transferred to Edwards Hines Jr. Veterans Administration Hospital, where she is in serious condition, but stable.
"She's in the hospital right now with three fractured ribs, a black eye, a big goose egg on her head and a possible concussion," Dusk said.
Police said a short time after the attack, officers found an abandoned SUV in an alley behind a pizza shop, about a block away from Regnier's home. Police learned the vehicle had been reported stolen.
Surveillance video from the restaurant shows the suspect ditched the black SUV after hitting a dumpster. He appeared to be holding the woman's purse as he ran away. Police have not said who the vehicle belongs to.
Villa Rosa Pizza, where the victim's son works, offered a $5,000 reward for information leading to an arrest.
The suspect was described as a 30-year-old African American man with short black hair and a beard. He was wearing a brown leather jacket and dark-colored pants.
Regnier's family said her recovery could be long and difficult. They're struggling to understand why someone would purposely hurt an elderly woman.
"She's 94 years old. He didn't have to beat her up. He could have just taken her purse and left. I don't know what compelled him to do that. He's a coward," Dusk said.
No one is in custody. An investigation is underway.