The "Greek" alum said she and a friend were trying to de-escalate a confrontation.
Police said authorities fatally shot a man who was wearing a "hoax device" at the scene of the stabbing.
The suspect, identified by police as 41-year-old Antwann Demetris Brown, has been taken into custody.
Police in Tracy, California, say they have no evidence suggesting the killing of Parmjit Singh is a hate crime, but will continue investigating.
The violence seemed to be random and the only known motives appeared to be "robbery, hate, homicide," police said.
Police in Camden have charged Amanda Ramirez, 27, with manslaughter following the death of her twin, Anna Ramirez.
The actress is filming a remake to "The Witches" at a Warner Bros. studio in the U.K.
“To survive those deployments in Iraq and to die like this is just devastating,” Ronald Sanchez's former wife said.
The victim said he and his friends had been chased with fake chainsaws and other prop weapons before being handed the blade.
"She's just yelling my name, 'Tifah, Tifah, Tifah,' and I said, 'I got you baby, I got you,'" recounted Nia Wilson's sister.