On Thursday detective Mulder told his boss if there wasn't a lead by Monday that they should call the FBI and at least get a profiler to assist them On Monday he was headed down the hall to the elevator to ask his boss to call in the FBI when he ran into Richard. They stood at the elevator and Richard informed him that the only thing that he found that linked the victims was their parents had worked at the airplane factory. Detective Mulder suggested that they got a cup of coffee and hashed that senerio out a little bit more. They preceded to the coffee machine and had return to the crime room and Richard informed detective Mulder that they all worked the night shift and was in charge of the disposal of the radioactive bywaste and one night a daughter of one of the workers had went to work with him and a terrible accident happened and she was taken to a hospital but not in Climate Springs and died there
The girl's name was Lizzie short for Elizabeth Coulder. Detective Mulder looked up doctor's listed in the phonebook and found a doctor Coulder that lived on Stonehedge road. Detective took his partner there with him but when they arrived at his house they were escorted to the study and he was pushed into the study in a wheelchair by a health care worker which was a nurse. They talked about the case and found out that the elderly doctor could not be their suspect and returned to the police station. Richard met them there and informed them that he had done some checking and Lizzie was a twin and her twin sister's named Emilly who lives in the house with her father doctor Coulder. They ran a check on her and found out that her day job was with the coronor's office. While checking her out they realized that Dr. Deah was in reality Emilly Coulder. Detective and his partner with Richard being a tag a long went to the cornor's office where they viewed her working on corpses and after her autospy they arrested her. The only thing she said was they took my sissy away from me. One of them pushed my sissy into that bywaste and nobody did anything about it.