. >> for more on this, we are joined by richard walker from our dw business desk. what exactly is digital currency, and what is the point of it? >> there are lots of different kinds. one of them will be quite familiar to our viewer. if you have a facebook account, you may use facebook credits. if you have an xbox, you might use exxon points. if you have an amazon account, you might use amazon points. these are really just to get you to buy more from the platform in question. the difference with liberty reserve was that this was a system designed to transfer money from one person to another. there is another system out there that has been getting a lot of publicity recently called bitcoin. with the indictment says about liberty reserve is that it was deliberately designed as a criminal system. a much more over money laundering machine. >> explain to us how such a criminal system managed to get away with this for such a long time. >> what is interesting is actually it did not go unnoticed for all that time. looking in the indictment, in 2009, it was noticed very much

. >> for more on this, we are joined by richard walker from our dw business desk. what exactly is digital currency, and what is the point of it? >> there are lots of different kinds. one of them will be quite familiar to our viewer. if you have a facebook account, you may use facebook credits. if you have an xbox, you might use exxon points. if you have anzon ama account, you might use amazon points. these are really just to get you to buy more from the platform in question. the difference with liberty reserve was that this was a system designed to transfer money from one person to another. there is another system out there that has been getting a lot of publicity recently called bitcoin. with the indictment says about liberty reserve is that it was deliberately designed as a criminal system. a much more over money laundering machine. >> explain to us how such a criminal system managed to get away with this for such a long time. >> what is interesting is actually it did not go unnoticed for all that time. looking in the indictment, in 2009, it was noticed very much

university of north carolina law ofesso tamar who defended the shoe bomber richard reid and the lawyer who represented john walker lindh. i want to start with you, john, the criminal complaint leaves a lot of questions unanswered such as whether they disposed of the evidence at dzhokhar's request. they are not charged with it but the criminal complaint alludes to them saying by text go to my apartment and take whatever you want and they go there and take a bunch of incriminating evidence. is this a likely to be filled in later section of the krants? >> to be clear, the criminal complaint really is nothing more than kind of to establish probable cause to believe the people committed the offense. it's not an opportunity for the government to lay out its whole case just what's suf#f#ficient levy the charges. so you can rest assured there's a lot in this case that is not displayed in that criminal complaint. >> what is the possible argument? we heard from the defense attorneys yesterday. they seem to be saying, hey, they didn't know what was going on but the criminal complaint at least what they told the police base

walker. so there is some good news today. richardtransit officer critically injured continues to recover. this now as we await the court appearance, three more suspects in connection with the investigation into the bombing of the boston marathon. megyn? >> megyn: all right, david lee miller, thank you. we will be back to you as you get more. just moments ago the white house spokesman took new questions about this matter. he had said at the beginning of our show that he had not yet spoken to the president about this but that the president has been regularly updated on the boston marathon bombings. he was asked about how the fbi has handled the investigation up to this point. here is that. >> so, the president feels that the fbi has handled this case from the moment of the bombings through the successful capture of the individuals believed responsible and through today very well. >> megyn: joining me now by phone one time chairman of the house homeland security committee and chairman of the subcommittee on counter terrorism congressman