CNN Legal View With Ashleigh Banfield March 25, 2014 16:37:00
Cnn's stephanie elam joining us live in california on a boat in the santa barbara harbor. as i understand it, you've got one of these devices, the s.o.n.a.r. and hydrophone technology being used way overseas in the indian ocean. walk me through it and show me what you've got. >> reporter: right. ashleigh, that's the thing. we hear these terminology, we hear people talking about a hydrophone, you hear them talking about s.o.n.a.r., but they're different. so we came out on the water to get an idea how it works. i want to introduce you to james colem coleman, senior hydrographer. here are two exa...
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