FAYETTEVILLE, N.C. (WNCN) — The family of a missing Fayetteville woman who was found dead Friday is grieving after the discovery -- and the news from police that her death was a homicide. Heather Williams, 25, vanished a week ago, on January 4, after she was spotted getting into a car along Berkshire Road, according to the Fayetteville Police Department. A statewide missing, endangered alert was issued for Williams on Tuesday. Throughout the week, family members hoped that she would come home safely. "We are just relying on the community and God's will," Heather's sister, Mary Williams, told CBS 17. Greensboro police investigate homicide at North Elm Street, Sommerton Drive Heather Williams (center) in a photo from her family.Heather Williams (left) and her sister Mary Williams in a photo from her family.Heather Williams (left) and her sister Mary Williams in a photo from her family.Heather Williams in a photo from her family.Heather Williams (center) and her sister Mary Williams (left) along with a friend in a photo from her family.Heather Williams (left) and her sister Mary Williams in a photo from her family.Heather Williams in a photo from her sister Mary WilliamsWoods in Fayetteville where Heather Williams was found dead on Friday. Photo by Ray Duffy/CBS 17 But those hopes were dashed Saturday when police announced Heather Williams was found dead in woods near Newark Avenue and State Avenue. "It is with a heavy and broken heart that our family confirms the horrific news," Mary Williams wrote on Facebook Saturday. Police said Saturday that they believe someone killed Heather. 1 dead, 2 hurt after shots fired into High Point home "I pray whoever is responsible for this is held accountable, and there is justice for Heather," her sister also wrote. Williams was found the same day the mysterious car in which she vanished was discovered, police said. "Seeing her get into a car, we don't know who she got into a car with. It's eerie it's at nighttime," said Mary Williams.  Earlier this week, her sister Mary said they had many unanswered questions and were hoping someone would come forward to help Fayetteville Police solve this case. "We don't know who the driver of that car was or the last text message that came up on her phone at 12:10 a.m.," she said.  (Mary Williams)(Mary Williams)(Mary Williams)(Mary Williams) Heather was considered endangered because she suffered from cognitive impairment, police said. Her family said she also had limited use of her right leg and right arm and walked with a limp. "Our family finds comfort in the love that Heather had for God and through all her trials and tribulations, she has never lost her faith and I know we won't lose ours either. I thank God for the years we had with her," her sister Mary wrote. Investigators confirmed they had some leads in this case. But right now, the grieving family is hoping someone comes forward with more information to get justice served for the person responsible for taking their beloved Heather. "Thank you to everyone who has prayed, reached out, and helped us to try to find her. Please continue to pray for my parents," Mary Williams wrote. Officers said anyone with information about Heather Williams should contact Fayetteville Police Detective E. Alrafai at (910) 723-0327 or Crimestoppers at (910) 483-TIPS (8477).  Crimestoppers information can also be submitted electronically by visiting http://fay-nccrimestoppers.org or by downloading the FREE "P3 Tips" app available for Apple devices in the Apple App Store and available for Android devices in Google Play.