By CBS3 Staff

TOWNSEND, Del. (CBS) — A fourth victim from a deadly stabbing earlier this month in New Castle County has died. Police say 68-year-old Donald Grier Sr. has died.

Grier Sr. was one of four victims in the deadly stabbing in Townsend on Dec. 3.

Police say the other two women and a 19-year-old were killed.

Grier Sr.’s son, 40-year-old Donald Grier Jr., is facing murder charges.