Police are asking for your help to find two young girls who have been missing from Waynesboro, Franklin County, for three years.Hanna Lee is now 10 years old and Skye Rex is now 7.Police are also looking for the girls' mother, 46-year-old Lashada Lee. Police said she took the children after their father was granted custody.The last contact with the three was at a home in Waynesboro in March 2020.Waynesboro police have a message for Lashada Lee."Miss Lee, you know that this investigation is being conducted. You know that those children must be returned to Mr. Rex, and you know that you are wanted for the crimes related to that. I tell you now: Do not rest comfortably, and do not think that this is over or that it will end," Chief James Sourbier said.Police believe people are helping Lashada Lee. Investigators said it's likely she's in the Washington, D.C., metropolitan area.If you know anything, call Waynesboro police at 717-762-2131 or submit a tip online.You can also call Pennsylvania Crime Stoppers at 1-800-472-8477 or submit a tip at pacrimestoppers.org.There is a reward for the safe return of the children.