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Family members left the house, one of those security vehicles would trail them as they were coming and going. the other thing that i can tell you, as far as we know, the past three days, katie russel and her young daughter have not left this house holt, erin. . >> all right, erin mcpike. thank you very much. we know that she'll be very helpful to investigators. if tamerlan tsarnaev was practicing a radical form of islam, why didn't anyone recognize that he was planning deadly violence. his family says they began to notice a change in his behavior back in the 2009. our david mattingingly is i...

>> hey, there, erin. today, there is a stepped up security presence. we saw about half a dozen security vehicles by midday. every time one of kati russel's family members left the house, one of those security vehicles would trail them as they were coming and going. the other thing that i can tell you, as far as we know, the past three days, katie russel and her young daughter have not left this house holt, erin. >> all right, erin mcpike. thank you very much. we know that she'll be very helpful to investigators. if tamerlan tsarnaev was practicing a radical form of islam, why didn't anyone r...

David mattingingly reports on that. >> the tsarnaev brothers arouse no suspicions they were planning deadly violence. and now the mosque leadership has to defend itself against claims it is a haven for radicals. we find there has been some hate mail, sometimes menacing. >> so a lot of the claims made . there have been people coming in and out of this place. we have a congregation of 1,300 people. >> reporter: charles jacobs is a long-time critic of the islamic society of boston. >> they're aiming to transform the youth, particularly the youth, into more and more radical islamist beliefs. >> re...

the death of her son last year. >> it doesn't heal. it just -- got gives you respites. you know, just little breathers. you know, he's my baby. >> donnie gives great advice to justin bieber about life after being a teen idol superstar. >> if i was justin bieber what would you say? >> put on the seat belt. it's going to be a bumpy ride. >> and the two explain how they look so good after 40 years in the business. you admit to one dose of botox. >> this is a prime time exclusive of piers morgan tonight. >> marie. >> it's donnie and marie. welcome to the flamingo. >> i love it. >> do you...

Going to weigh in on this one. >> big time. >> thanks, carol. >> france and italy plan to send military officers to libya to advise the rebels. nic robertson just got back from tripoli. an amazing first person account for all of those stories. seafood safety, david mattingingly advises us on all things related to the gulf. informercials urge you to buy gold. is it a good idea? and also a woman who was assaulted after getting a dadat suing the company and now this. >> when you board and the doors are closed, they tell you to switch off your cd players, dvds, game players, things like that. i so...