Detailed text transcripts for TV channel - CNN - 20110123:03:05:00
Three large tunnels described as a self cleaning siphon deep under the water. >> we were able to get into all three of the blocks in the self cleaning siphon searching from north to south so we were actually able to send the technology, the rover, for lack of a better term, through all three blocks here on to the south side and they're clear. >> reporter: investigators say they believe the farm worker's story of seeing a car matching the suspect's toyota drive into the canal with an adult and child inside. >> this is our best credible lead. it's our -- and we believe that the witness truly saw...
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