Plano police said the 2-year-old girl who died last week was a victim of homicidal violence.
Officers found Grace Ford unconscious on Jan. 9 while conducting a welfare check at an apartment in the 1500 block of J Place. She died three days later at Children's Medical Center.
A donation website set up by friends and family members said the toddler's face was duct taped, causing her to suffocate.
On Wednesday, the Dallas County medical examiner confirmed suffocation was her cause of death and the case was officially ruled a homicide.
Police still will not discuss the details of the investigation, saying only that it is ongoing.
"We've been talking to several people," said Plano police spokesman David Tilley. "It's something we are not taking lightly. Our goal is to get out there and get justice for this young girl and her family."
No arrests have been made.
KDFW FOX 4
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