nick parker joins us live from mexico city. and, nick, just walk me through the details.>> reporter: well, it is really a crime that shocked mexico city. as you say, eight days on, still no closer to really getting close to culprits or any other kind of further progression on the investigation. the crime took place just behind me here, about 50 meters from where i'm standing now. you can see this is a very vibra vibrant, griz pa busy part of m city. it is a popular area for tourists. a lot of hotels. and also one of the main financial districts in mexico city. so the fact that it took place here, i think certainly surprised a lot of people. but what i think the nature of what happened is perhaps the most shocking thing. and basically getti inting acco coming in now from families of the missing people and they say that at about 10:00 a.m. in the morning, in broad daylight, the missing loved ones were in a bar in an after hours place and they were told that the police had arrived and were told by bar staff to leave the bar and go into the street. at that stage, apparently t