FAYETTEVILLE, N.C. (WNCN) — A man was arrested Thursday after a missing and endangered Fayetteville woman was found dead last week, police said. Tyrell Siermons, 30, of Fayetteville is charged with first-degree murder in connection with the death of 25-year-old Heather Marie Williams, according to the Fayetteville Police Department. Family of missing North Carolina woman found dead speaks out Williams vanished on Jan. 4 after she was spotted getting into a car along Berkshire Road, according to the Fayetteville police. A missing endangered alert was issued for Williams three days later. When she disappeared, Williams was considered endangered because she suffered from a cognitive impairment, police said. Her family said she also had limited use of her right leg and right arm and walked with a limp. Memorial service planned for 25-year-old North Carolina woman who was killed Williams was found dead on Jan. 10, just less than a week after she disappeared. Police said her death was being investigated as a homicide. Court records show Siermons is being held at the Cumberland County Detention Center without bond. He is scheduled to appear in Cumberland County Court Friday afternoon.