LOS ANGELES (KABC) -- A man who owned a wig shop in downtown L.A.'s Fashion District was trying to stop two teenage robbery suspects when he was stabbed to death over the weekend, authorities said Monday.

The victim has been identified as 56-year-old Du Lee, according to the Los Angeles County coroner's office. His city of residence was not available.

The stabbing was reported at 1:16 p.m. Saturday at Wall Street and Olympic Boulevard, according to the LAPD.

Lee was found unconscious and not breathing by arriving officers, and was pronounced dead at the scene, said LAPD Officer Matthew Cruz.

An investigation at the scene revealed the victim was involved in a physical altercation with suspects described as a male and a female, Cruz said.

Fashion District stabbing: Wig shop owner fatally stabbed while trying to stop teen robbery suspects, LAPD says - ABC7 Los Angeles

DALY CITY, Calif. (KGO) -- A young woman is speaking out after her 70-year-old grandma was choked, beaten, and her entire life savings stolen in a home invasion robbery in Daly City. One of the three suspects can be seen on surveillance video, disguised as a utility worker.

You can see the senior citizen watering plants on the front steps of her home. She goes inside and suddenly a man approaches.

"A man dressed in a construction vest and a hard hat and a laptop," says Skylar, "He walked from the car to the front door and rang the doorbell and he was wearing a ski mask and had gloves on with skeletons printed on them. He was also carrying a computer."

Skylar, the woman's granddaughter, requested we use only her first name for privacy.

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"My grandma is a very smart lady, she did not let him in."

Skylar says, at the same time, unbeknownst to grandma, two more individuals somehow entered her backyard. When grandma tried to run to the front of the home, the man dressed in a utility worker's uniform broke in.

You can hear grandma's screams as the suspects dragged grandma's chihuahua and then proceeded to choke and beat her.

Her home was ransacked and she says her entire life savings were stolen.

EXCLUSIVE: 70-year-old Daly City woman choked, robbed of life savings by suspect in utility uniform - ABC7 San Francisco (abc7news.com)

SAN FRANCISCO (KGO) -- A scary experience for a woman on her way to the grocery store: her car window was broken into and was robbed... while sitting in her car.

Surveillance video used in the police investigation shows a woman driving a van and then park at a supermarket along San Bruno Avenue in San Francisco.

San Francisco business owner targeted in smash-and-grab robbery while sitting in her car along San Bruno Avenue - ABC7 San Francisco (abc7news.com)