Rebecca Kay Park is 38 weeks pregnant when she goes missing on November 3.

Three weeks later, her body is found by volunteer searchers. On the same day the body was discovered, authorities arrested Park's fiancé, Richard Falor, 43, and her sister, Kimberly Park, 21.

Those arrests are not directly tied to the murder of Rebecca, but the arrests of her biological mother, Cortney Bartholomew, and stepdad, Bradly Bartholomew, are....

Joseph Scott Morgan and Dave Mack break down the latest information on what the prosecutor calls "Evil Personified," the death of Rebecca Kay Parker and her baby.

Transcribe Highlights
00:00.00 Joe loves babies

04:06.04 Pregnant woman missing three weeks

09:36.88 Volunteer searchers find body

14:49.78 Last seen with biological mother, fiancé and sister arrested the day Rebecca's body is found

19:47.97 Wounded areas decomposing quicker

25:08.60 Average temps, mid 30s

31:15.44 Biological mother charged in murder of Rebecca

35:06.76 Stabbed, compelled to go into wooded area

40:12.66 Rebecca was kept alive while baby cut from womb

44:57.98 Will case be a double-homicide?

45:45.54 Conclusion

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