back into the wild? >> every orca and dolphin in a concrete box can be taken into a natural environment like a large sea pen, for example, where they can experience the natural rhythms of the sea, the tides and currents and retired. and get involved in birth control. there isn't any reason a dolphin should be born in a concrete box simply to do tricks for us. that does not translate into conservation. >> rick obarry, i appreciate your time tonight. thank you very much. let us know what you think at ac360.com. join the live chat. talk to viewers around the world. next on the program is there a u.s. connection to the assassination of a hamas leader? new questions whether israel was behind the murder. we also now know how the hamas leader was murdered. the autopsy was done. we'll tell you that and look at security tapes as well. later, marie osmond's heartbreak. her son commits suicide. it's a leading cause of death among teens and young adults. we'll have the latest on that story ahead. -d-d-d-d-d-d-d-d-d-d