Surveillance video shows missing American woman moments before she entered water during Caribbean vacation

New video shows the moments a missing North Carolina mother possibly entered the water near the resort she was staying in Grenada. Elizabeth "Liz" Waddell, 43, went missing on July 22 and was last seen walking on Grand Anse Beach. The physical therapist from Cary, N.C., was on a three-week vacation with a friend when she vanished after a swim, police say. In surveillance video shared to YouTube by her family, a person appearing to be Waddell is seen walking near a pool and holding a towel, then