Boyfriend talks about missing Texas realtor & Did cold medicine make a man kill his wife?

Published: Sept. 6, 2017, 5:03 p.m.

b'Crystal McDowell is still missing nearly 2 weeks after she vanished just before Hurricane Harvey hitting her Texas town. The last person known to have seen the 37-year-old realtor and mom of 2 -- boyfriend Paul Hargrave -- talks to Nancy Grace about her disappearance. Baytown, Texas, newspaper reporter Matt Hollis,\\xa0forensic psychiatrist Dr. Daniel Bober and\\xa0radio host David Mack also join the discussion.\\xa0Nancy and guests also ask: Did too much cold medicine cause a husband to murder his wife in his sleep? A North Carolina man says he woke up to find his wife stabbed to death and he thinks the medicine made him kill her.'