Did brutal killer and his mistress stab teen girl MacKenna Milhon dead, then burn her bloody clothes?

Published: March 4, 2020, 6:10 p.m.

b'A 19-year-old woman is last seen at a convenience store. More than a week later, her body is found in a yard outside a home in Springfield, Missouri. She has been stabbed multiple times.\\n\\nWhat happened to Mackenna Milhon?\\n\\nJoining Nancy Grace today:Rayne Mariee Davis- Dated suspect Lonnie Williams, has a 5-month-old son with Williams.Darryl Cohen- Former Assistant District Attorney, Fulton County, Georgia, defense attorney\\xa0Cloyd Steiger - 36 years with Seattle Police Department, 22 years homicide detective & author of "Seattle\'s Forgotten Serial Killer: Gary Gene Grant"\\xa0Dr. Bethany Marshall - Psychoanalyst, Beverly Hills\\xa0Dr. Michelle Dupre - South Carolina Medical Examiner & author of \\u201cHomicide Investigation Field Guide\\u201dJason Wert - Journalist, owner of Ozarks Independent.com'