i m alex marquardt in the situation room. out front next. 34 hours, that s how much oxygen is left for the five people missing on a submersible heading to the titanic. plus, hunter biden s plea deal. president biden s son agreeing to plead guilty to federal criminal charges, most likely avoiding jail time. republicans are calling it a sweetheart deal. is it? and turning russians from putin s war into a prison cell. the new campaign from behind bars for alexei navalny. his daughter dasha is my guest. good evening. i m erin burnett. the clock is ticking as rescuers race to save five people on board that submersible off the coast of newfoundland called the titan. it has about 34 hours of breathable air left, according to the coast guard. the vessel was headed 13,000 feet beneath the ocean s surface heading to the titanic. it s been missing since yesterday morning. rescue teams are gathering at the scene. the search area for the su submersible is now larger than the
area, dadditional assets coming in from new york and other places in canada. again, it s timing. it s all about timing. thank you so much. i want to go now to david gallow. he col-led an expedition to create a map of the titanic. he s an oceanographer. also larry daley, an expedition specialist who rode a submarine to the titanic. david, you spent an enormous amount of time mapping this area underwater. how hard is this rescue mission? oh, it s difficult. but, you know, i think compared to some of the big missions where we had for instance air france or malaysian air maybe
finding anything in the immediate area underwater. area underwater. at any other factors with area underwater. at any other factors with nikolaou - area underwater. at any other factors with nikolaou that i area underwater. at any other| factors with nikolaou that may area underwater. at any other i factors with nikolaou that may have contributed to the situation? was she ill contributed to the situation? was she ill or contributed to the situation? was she ill or have medication or anything she ill or have medication or anything like that? we she ill or have medication or anything like that? she ill or have medication or anything like that? we are not considering. anything like that? we are not considering, we anything like that? we are not considering, we have - anything like that? we are not considering, we have clearly i considering, we have clearly considered the whole picture, but thatis considered the whole picture, but that is not relevant at this time. nicola was l
tonight. reporter: tonight, new images of the intense search for brian laundrie. authorities bringing in a specialized dive team to search the 25,000-acre reserve, an area twice the size of manhattan, alongside their atvs, drones and canine units. 75% of the area underwater. we are trying to cover every acre with our law enforcement partners. they re motivate and they re hungry. reporter: and the public reporting thousands of tips with rumors brian had been captured overnight proving false. caller is advising that a civilian, possibly be brian laundrie. reporter: and today, okaloosa county officials reporting they ve identified the man from this trail cam image and it s not brian laundrie. neighbors say they last saw brian back at home days before gabby was reported missing. despite the fbi raiding the laundrie home monday and the coroner saying gabby s death is a homicide, brian remains a person of interest, not a suspect.