The break-in was reported just before 10 p.m. Wednesday on Forbes Avenue near Sherman Way.
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Police say the three men wearing dark hoodies yelled out "LAPD" and called for anyone inside to open the door, before smashing a rear window and a sliding door.
Surveillance video shows three masked men wearing all black, including gloves, walking along the side of the home before they broke in.
One resident was inside the home at the time - an Arizona woman who was house-sitting for her daughter.
"The bedroom door burst open and there's a flashlight and a gentlemen saying 'LAPD, LAPD' and then I hopped up... and he pulled the door closed and took off," said the woman named Pamela.
She said she saw that man run and hop over the fence.
"He booked it really quick. I'm just glad they weren't violent, right?"
The LAPD believes the burglars didn't think anybody was home. They stole a purse that contained around $75 in cash and other small items. Nobody was injured.
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All three suspects remain outstanding and a detailed description was not immediately available.
Anybody with information about the incident is asked to call authorities.