The family of a woman who was found murdered in her South side apartment last week is having trouble believing an arrest in the case marks the end of the police investigation.
Charity Villalpando-Romo, 29, was found dead on April 4 by her ex-boyfriend in her apartment in the 700 block of Fair Ave.
Police said her throat had been slashed.
A neighbor who police arrested on an unrelated warrant the same day has since been charged with her murder.
An arrest affidavit said the mother of Joshua Garcia, 18, walked up to detectives at the scene and told them she the she knew "who did it."
The affidavit said the woman told investigators her son had come home after midnight, acting strangely and wearing different clothing and that she suspected he might be involved.
She told them she checked her backyard later and found a woman's purse with a broken knife inside, the affidavit said.
"I'm glad that (Garcia's mother) at least did the right thing," said Matthew Villalpando, the victim's brother. "We're excited they got somebody."
However, Villalpando said he's not convinced the arrest marks the end of the case. He said detectives told him, initially, that there was more than one person involved in the murder.
"From the preliminary police report, there was somebody in the alley, somebody waiting in a car," he said. "We're just wondering where that part of it is. I don't know if the police are just going to drop that."
Matthew Porter, spokesman for SAPD, said if homicide detectives are considering other suspects, they would not disclose that information.
Villalpando, though, would like to know for his own peace of mind.
He said his sister's death has been tough on his whole family.
"A lot of people are taking it real hard. My dad, in particular, and my mom are not holding up so well," he said.