The New Hampshire Cold Case Unit will host a media availability Monday morning to discuss the latest development in the 40-year-old Bear Brook homicide case .

Authorities announced Sunday that the final victim had been identified , ending a decades-long effort to identify all four bodies that were found in a state park in Allenstown.

Stream NBC10 Boston news for free, 24/7, wherever you are. WATCH HERE

Rea Rasmussen, who was last seen in the late 1970s, has been identified as the final victim, state police and prosecutors announced. She'd previously been referred to as the "middle child." Born in 1976 in Orange County, California, Rea was the daughter of Bear Brook murderer Terry Peder Rasmussen, officials said. Her mother, Pepper Reed, remains missing.

Terry Peder Rasmussen died

See Full Page