A 19-year-old man was arrested in the killing of a woman found stabbed near a trail in the Great Falls area early Monday, police said.
Alexis Antonio Cedillos-Campos is charged with second-degree murder, Fairfax County police said Wednesday.
The victim, 42-year-old Carmen Lizet Puch of Reston, Virginia, was the mother of a 3-year-old girl…