Police are searching for two men that they say have been posing as workers to rob homes in the Bronx.
Police released a sketch of one of the men, whose age is not known.
The other man is said to be in his 30s.
Investigators say the men have posed as workers for the water department or the city Department of Environmental Protection to get inside a home.
Once inside, police say the men have taken cash and jewelry.
Investigators say the men haven't shown identification or worn official uniforms.
All of the victims are at least 70 years old.
No injuries were reported.
Anyone with information on the case should contact the Crime Stoppers hotline at 1-800-577-TIPS, or text CRIMES and then enter TIP577, or visit www.nypdcrimestoppers.com.