Sperm Switch: Biological Dad Is Convicted Felon

Genetic testing links adult daughter to a convicted kidnapper who used to work at a Utah fertility clinic.
3:00 | 01/10/14

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Transcript for Sperm Switch: Biological Dad Is Convicted Felon
A geologist -- cover the case of a man swapping donations. At a fertility clinic that donor Thomas -- Was a felon convicted back in 1975 of kidnapping a college coed. He is also the biological father of Ashley a young girl in Utah. After he switched his sperm donation with that have a daughter -- -- -- -- Utah fertility clinic. Geologist C -- helped the family uncover the shocking discovery. An incredibly resilient I could -- imagine how well they can't -- out that. -- actually -- put a very stable very intelligent. Well. Clifford was working the clinic at that time. He died in 1999.

This transcript has been automatically generated and may not be 100% accurate.

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