. >>> here to it talk about what these possible charges might mean is beth karas. good morning to you. let'smanslaughter, second-degree murder. how will this this sort it out? >> i'm assuassuming a grand chi hear the charges, the jury will decide which to votef any. there's a fine line between second-degree murder and involuntary manslaughter. both of them are unintentional killing, but the murder is where you know what you're doing creates a grave risk of death and you consciously disregard it, you don't care. that's murder. the difference with involuntary mabs slaughter, also unintentional, but you just engamg in negligent conduct that causes death and that's more likely what will happen in this case. >> we're getting real mixed signals here from different sources on what's going to happen. when does this get sorted out? >> let me tell what you has apparently occurred. the lapd has completed their investigation. once they complete an investigation, they deliver it to the d.a.'s office and they officially open a case and decide what to do. that is the step that is

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. >> the passengers facing tighter security screening, kara. >> anyone flying in is in for heavy screening tonight, especially those specific countries that the state department is watching closely. new rules in the wake of the terrorist bombing. ntsb has new security moras for the international flights bound for the united states. starting today, travelers flying from or going through nations regarded as state sponsors of terrorism terrorism will be required to o through enhanced strening and could up imlewd carryon searches. cuba iraqi, sudan, and others are listed as the national sponsors of terrorism. other passengers will be check at random. new safety officials as the obama administration brokes the preach that allowed a an attack on christmas day. indiligence agencies ultimately are said to have failed to connecthe so the. issues. >> there was no folk smoking guns what soar. it was the failure to integrate and myself piece together the bits and pieces of the service. the u.s. faces a chai jr. challenge. we need to act on those aguessivhawaii will. >> sac tan announced it will implem

in california, kara finstrom for cnn. >> all right. >> good stuff there. >>> the "cnn newsroom" continuesth brooke baldwin. >> hey, brooke. >> hey, guys. a fabulous saturday to you. let's start first, today, president barack obama pledges to hold accountable every single person here involved in that botched terror plot. christmas day, and in fact in his