Officials say last month, the 74-year-old victim let her shih tsu, "Romero Rivera." outside her home near Jerome Street and Pitkin Avenue.
Within minutes, a man approached the home, took the dog and ran off.
The suspect, seen interacting with the dog on surveillance video, is described as a man with a light complexion and medium build.
Authorities say the suspect was last seen wearing a black hooded sweatshirt, gray sweatpants, and red baseball hat.
No arrests have been made.
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