NEW : Authorities would not provide details about the four missing people , but the two daughters and ex-husband of a Delray Beach , Florida , chiropractor could be among them . Crews conduct an off-and-on search , depending on unstable or stable conditions . The two daughters and ex-husband of a Florida chiropractor could be among the missing . Comment:
NEW : Crews conduct an off-and-on search , depending on unstable or stable conditions . The two daughters and ex-husband of a Florida chiropractor could be among the missing . Comment: